The axis of symmetry for the graph of the function f(x)=3x^2+bx+4 is x = 3/2. What is the value of b?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?