if the run in exercise 23 has a staggered start, and janet starts first, with mary starting 10 min later, how long will it be before mary catches up with janet

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?

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Is the power produced directly proportional to the wind speed, give reasons for your answer?