A collar of Styrofoam is made to insulate a pipe. Find its volume. The large radius R is to the outer rim. The small radius r is to the edge of the insulation. Use pi almost equals 3.14.

r =2 in.

R=3 in.

h =15 in.

If a car travels at an average rate of "x" miles per hour, how many miles will the car travel in six hours? A) 6x B) x + 6 C) x 6 D) 6 x

A brother and a sister are in the same math class. There are 6 boys and 9 girls in the class. One boy and one girl are randomly chosen. What is the probability that the brother and sister are chosen? Write your answer as a fraction in simplest form

A system of equations consists of y = x^3+5x+1 and y=x the equations are equal at approximately A) - 0.25 B) - 0.5 C) 0.5 D) 0.25

X minus eleven equals negative twenty

In 10 minutes, the top three finishers in a hot dog eating contest consumed a total of 130 hot dogs. the winner, person a, ate 8 more hot dogs than the runner-up, person b. person c finished a distant third, 10 hot dogs behind person b.

What were Greek tyrants like?

Is 4b²+40b+20 a perfect square

Moving forward a negative distance is the same as moving backward a positive distance. a. True b. False

Brandon has saved $75. He goes to hot topic to buy a belt that costs $18 and some graphic t-shirts that cost $24 each.

Decrease 48 by 25% what is the decrease or increase of the question