In a school experiment the temperature of a substance is changed from 42 degrees f to -54 degrees f at an average rate of 12 degrees per hour. over how many hours does the change take place?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers