Usually LeRoy practices the bass for 2 4/5 hours a day. Today he practiced half his
usual time. For how long did he practice?

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.