How many degrees are there in each exterior angle of an equilateral triangle?
a. 30°
c. 90°
b. 60°
d. 120°

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?