What is 3 fouths of 840?

What is 4 dollars in quarters? Does a kite have reflection symetry? What is AB plus BC equals AC an example of? What is 2 divided by 5 as a decimal? What is the mass of a metal ball with diameter of 37.7 mm and radius of 18.85 mm? What is 8 divided by 304? When there is no solution to a particular math problem what do you write? What is a specific outcome or type of outcome? How many cubic yards in a 20 ft diameter 8 inches thick circle? What in math is the opposite operation of division? Is reached an adjective? How many hours from 745am to 930pm? What do you use the pendulum for in everyday life? How many m and ms are made each day? What is volume in geometry? Find the percent of increase when the original amount is 20 and the new amount is 30 round to the nearest percent if necessary? What weighs 5 billion tons? Will the mean and median in a symmetric distribution always be equal or approximately equal and Why? How many times can 12 go into 80? How do i find the slope of the diagonal Are the diagonal perpendiculars?