8x2 + 1

what is the coefficient in the expression

Identify the sampling technique used. At a local community college, five statistics classes are randomly selected out of 20 and all of the students from each class are interviewed. A) cluster B) stratified C) systematic D) random E) convenience

Solve for r: 3r+2-r=-4

If she takes the stairs how many flights of stairs will she have to climb

The sports field at Patton Elementary School is shaped like a rectangle. The field is 72 yards long and 46 yards wide. What is the area of the field in square yards?

The radius of a cylindrical construction pipe is 1.5ft. If the pipe is 14ft long, what is its volume? Use the value 3.14 for π, and round your answer to the nearest whole number. Be sure to include the correct unit in your answer.

A sphere is circumscribed about an 8-inch by 8-inch by 8-inch cube. Find the volume to the nearest cubic inch.

An auditorium has 30 rows of seats. The first row has 20 seats, the second row has 22 seats, the third row has 24 seats, and so on. What is the total seating capacity of the auditorium

The value of Y varies directly with X. When Y=75, X=1/2. What is the value of Y when X is 2 1/4

A ray is noted by which symbol

What is the definition for slant height in math/geometry?