Tiger Woods hit a golf ball into the air with an upward speed of 64 feet per second. The formula h= 1/2(-32)t^2 + 64t approximates the height, in feet, of the ball after t seconds. At what time will the ball be 48 feet above the ground?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?