What is the exact circumference of a circle with a radius of 17 millimeters?

a.
8.5π millimeters

b.
17π millimeters

c.
34π millimeters

d.
68π millimeters

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Equation for the calculation double 2 and then add 5

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip