You earned a 84% on a science test. you
answered 21 questions correctly. how many
questions were on the test?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )