Agumball machine has 420 red gumballs. if the red gumballs are 75% of the total number of gumballs, how many gumballs are in the gumball machine?

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?

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Select the graph of the solution. click until the correct graph appears. |x| = 3