Rex had a quarter and some nickels in his pocket, but he had less than $0.80. What is the greatest number of nickels he could have had? Use an inequality to represent and solve the problem. Show you work Please I need help!!!

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?

Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6

Simplify. 3(4+4x) (type your answer in with no spaces)