13. If the measure of one of the interior angle of a regular polygon is 135º, how many sides does the polygon have?
1) 6
2) 8
3) 9
4) 10

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 you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9