The histogram shows the heights of 21 students in a class, grouped into 5-inch groups. How many students were greater than or equal to 60 inches tall?

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.