Joe borrowed $6,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 3 years?

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

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?