Find the circumference of a circle with radius 8 inches.
a. 50.27
b. 16

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4