In 20 years, Sam will be 2 times Mary's age. 20 years ago Sam was 4 times Mary's age. How old are Sam and Mary now?

Ou decide to ride your bike for 30 minutes, raising your heart rate to the middle of your target heart rate zone.

As a water quality assurance employee for local Aqua America, Inc branch record a drop in water levels from 28 feet to 7 feet at your reservoir. What is your percentage decrease?

Melissa, Charlie, and Josh have a total of $90 in their wallets. Josh has 3 times what Charlie has. Melissa has $10 less than Charlie. How much does each have?

X h (x) -2 - 10 -1 - 7 0 - 4 1 - 1 2 2 What is the y-intercept?

Which equation is the inverse of y=2x^2 - 8

yearly 17% rate of failure. Answer the following question. What is the probability that if you buy four computers, at least 1 will fail within a year?

Is - x equal to - 1x?

I ran 13 miles in 2 1/4 hours. What was my average speed?

The tree house will be 8 feet off the ground. Peter will hang a rope, with knots tied for foot holds. Each knot uses an additional 2 inches of rope.

Using the information below, choose the correct answers. Amount: $125,000 Rate: 7.5 % Payments: 360 @ $874.02 Total Interest: $189,647.20 1. How much will be repaid for this loan? A. 189,646.53 B. 125,000.00 C. 314,647.20 2.