The temperature dropped 3 celsius every hour for 5 hours. write a integer that represents the change in integers .

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3