Explain two different waysto find the difference for 12-3

One Saturday, Sam and Joe worked together to mow lawns. Sam started at 8:00 AM and Joe started at 11:00 AM. When they finished at 4:00 PM, they had earned a total of $156.

Solve x/10 = - 7 a. x=-70 b. x=-0.7 c. x=3 d. x=-17

Hank has 52 marbles. Divide them into 2 groups so that for every 6 marbles in the first group there are 7 marbles in the second group.

How many 1/3 pound paperback books together weigh 25 pounds?

Which are solutions of the equation x2 - 16 = 0? Check all that apply. A. x = - 8 B. x=-4 C. x = - 2 D. X=2 E. X=4 F. X=8

What is N = - 8 (25) + 200

Rachel plays a game by rolling two number cubes with sides numbered 1 through 6. To win the game, the sum of the numbers facing up must be 11. What is the probability that Rachel will win the game? A=2/6 B=2/12 C=2/36 D=4/36

Which of the following statements are true? Check all of the boxes that apply. fx=2^x has the same domain and range as Fx=^x Fx=-2^x has the same domain and range as fx=^x, fx=-^x has the same domain as fx=^x but a different range, fx=

A company purchased a machine for $970,000. the machine has a useful life of 12 years and a residual value of $4,500. it is estimated that the machine could produce 1,000,000 units over its useful life. in the first year, 200,000 units were produced.

After a 80% reduction, you purchase a new washing on sale for $100. What was the original price of the washing machine?