After a power failure, the temperature in a freezer increased at an average rate of 2.5 °f per hour. the total increase was 7.5 °f. write and solve an equation to find the number of hours until the power was restored.

Twelve friends shared 8 small pizzas equally.how many pizzas did each person get?

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Can (2,3 and square root 10) be sides ona right triangle?