Kiran says that a solution to the equation 0 + 4 = 20 must also be a solution to the equation 5(x + 4)
- 100
Write a convincing explanation as to why this is true.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180