∠A and \angle B∠B are supplementary angles. If m\angle A=(x+15)^{\circ}∠A=(x+15)∘and m\angle B=(x-13)^{\circ}∠B=(x−13)∘, then find the measure of \angle B∠B.

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

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?

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?