What is the square root of 21

A force of 10 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work is done in stretching it from its natural length to 6 in. beyond its natural length?

Brian rides a bicycle at a rate of 12 meters per second. Let m represent the number of meters biked and s the number of seconds.

A garden is 4 yards 24 inches wide and 4 yards long. Write the ratio of the width to the length as a fraction in simplistic form

What is the smallest power of 10 that would exceed 999,999,999,991

Whats 0.018 as a fraction in its simplest form

What is the shape of a cross section that is perpendicular to the base of a cylinder? A) rectangle B) triangle C) square D) circle

Henry bought 24 pounds of rice for $12. How many dollars did he pay per pound of rice?

triangle IJK is congruent to triangle PQR. If the measure of angle I=3x+4 and the measure of angle P=72-x, then determine the value of x

Y=8-2x closest numerator

Lex is at the mall, which is 8 miles from his house. Lex walks home at a constant rate of 2 miles an hour. Write an equation to model Lex's distance from home based on the number of hours that have passed since he left the mall