The list shows test grades of 5 students taken last week in homeroom.
79, 88, 91, 85, 96
What is the mean absolute deviation of the numbers on the list?

A. 3.64
B. 23.2
C. 87.8
D. 4.64

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Asphere has a diameter of 10 in. what is the volume of the sphere?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists