W + 13 = 71. What's the number to replace the variable w

There a lore 4 quarts in a gallon. How much would 140 quarts be in a gallon?

Line passes through (3, 4) and (2, - 1) in slope intercept form

Suppose a computer virus begins by infecting 8 computers in the first hour after it is released. Each hour after that, each newly infected computer causes 8 more computers to become infected. The function y = 8x models this situation.

To buy a laptop computer, Elaine borrowed $2,000 for 3 years at an annual simple interest rate of 5%. How much interest will she pay if she pays the entire loan off at the end of the third year? What is the total amount that she will repay?

The sum of three consecutive even numbers is 162. What is the smallest of the three numbers?

Find the next three terms of each sequence 2,6,18

Data was collected on the average winter temperature and the number of days with snow of a random group of cities in the United States.

What is x + 1 = 1/2x + 2

Answer to the problem ryan is thinking of a number. when he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his original number. what number is ryan thinking of?

Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. what is the value of x?