Show that the velocity of the particle at time t is given by v(t)=70t(3t2+8)2 .

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Three times the sum of a number and seven is negative thirty-six. what is the number?