X+y=4
3x+6y=-6

20 points if you answer all my questions

it’s due tomorrow or it’s a 0%

Given f(x) = 10x + 4 and g(x) = 3x - 8, what is f(x) + g(x) ? - 7x - 4 - 13x + 4 - 7x + 4 - 13x - 4

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?

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?