A student’s incorrect attempt to simplify an exponential expression is show in the box What is his mistake

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Afootball is throw by a quarterback to a receiver

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air