Calculate the frequency is the time between two crests is 5 seconds?
A. 0.2 Hz
B. 2 Hz
C. 10 Hz
D. 5 Hz

write a letter to your foreign friend describing him/her about problem caused by coronovirus.(10 marks question) 1. Write an algebraic expression for the sum of three coins and c coins.A. C+3B. C/3C. 3cD. C-32. Use mental math to solve the equation.Z/-12 = -5A. 7B. -60C. -17D. 603.Estimate the solution of the equation x-8.1= 5.3 to the nearest whole number. A. About 13B. About 14C. About 4D. About 34. Solve the equation 14 = t-44A. -30B. -58C. 30D. 58-3 = j + 50A. 80B. 20C. -1500D. -802.8x = -9.24A. 12.04B. -0.3030C. -3.3D. -12.045.8 = z/2.2A. 127.6B. 0.37C. 3.7D. 12.76 A crate is pulled with a force of 165 N at an angle 30northwest. What is the resultant horizontal force on the crate?Help asap? Find the measures of two supplementary angles if their measures are in the given ratio.3:7 help im stuck pls -- Refer to the table above. Determine the percent of all voters that did not vote Republican or Democrat but voted "other" instead. Round your answer to the nearest tenth of a percent. What can we do about children being abused? Select the best translation for the following term or phrase: Entiendo. Very well. I understand. 'Til later. I know very little, How many different 2-scoop combinations can you make if you are choosing among 4 different flavors? Which of the following expressions represents the perimeter, in feet, of the rectangle? Question 3 options:6n + 513n + 1010.5n + 1020n + 5 Anyone know this lmk Raby, Inc. acquires all of the outstanding stock of Fletcher Corporation on January 1, 2017. At that date, Fletcher owns only three assets and has no liabilities: Book Fair Value Value Land $ 40,000 $ 50,000 Equipment (10-year life) 80,000 75,000 Building (20-year life) 200,000 300,000 24. If Raby pays $450,000 in cash for Fletcher, what amount would be represented as the subsidiarys Building in a consolidation at December 31, 2019, assuming the book value of the building at that date is still $200,000? A. $200,000. B. $295,000. C. $290,000. D. $285,000. 4x - 5y - z= 18-2x - 5y -2z= 12-2x + 5y + z = 4 1. Los chicosi gan al ftbol americano2. Fl camareros rve la comida a tiempo3. Yopdo caf con leche en el bar.4. La dase empza a las cuatro y med:5. La manzana csla veinticinco centas6. Los estudiantes repdice la At 8:00 a.m., the temperature was 6F. By noon, the temperature had risen by 9F. What was the temperature at noon? Who Thought of Music Notation?A. Marco PoloB. Guido of Arezzo C. Attila the Hun Which abiotic factors would you expect to influence the growth of trees in the mountains? Number of deer and insectsTypes of trees and plantsRainfall and the location on the mountainPredator and prey population x=169 extracting square root As people entered the gym for a volleyball tournament, members of the pep club wereselling $3 raffle tickets for a tablet and $4 raffle tickets for a gaming system. The numberof $4 tickets sold was four more than one half the number of $3 tickets sold. The pep clubraised $636 from the ticket sales. Write a system of equations to represent thegiven scenario For the equation 2HPO + 3Ca 3H + Ca(PO) suppose you had 27.4 grams of HPO? a. How many grams of Ca would you need to react with this number of moles of HPO?b. How many grams of hydrogen gas will be produced?c. How many moles of calcium phosphate will be produced? Please answer all questions clearly, with work shown! Thank you!! 8) River City Recycling just paid its annual dividend of $1.15 per share. The required return is 12.3 percent and the dividend growth rate is 0.75 percent. What is the expected value of this stock five years from now