Aspherical balloon is inflated with gas at the rate of 300 cubic centimeters per minute. how fast is the radius of the balloon increasing at the instant the radius is 70 centimeters?

What is the percent of increase for a population that changed from 438,000 to 561,000

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.