Evan has a cell phone plan that cost $30 per month and $0.25 per minute of phone use . let y represent the monthly cost of cell phone service after x minutes of phone use

With this one. will mark brainliest

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?

If eh = hg and hg=16, find the diameter of k