The classroom has 4 desks in each row. there are 5 rows. how many desks are there in the classroom?

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

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.