F (x) = 2x

which expression represents f^-1 (x) ?

Factor the expression m^2-3mn-28n^2

A bag contains 3 pennies, 2 nickels, 1 dime, and 1 quarter. Jason will draw one coin from the bag. How many type of coins are in the bag?

Solve the equation: 16+5x-4=7x+12-2x

Emily is 50 years old. Colin is 18 years older than Emily. Dan is 6 years younger than Emily. What is the total of their combined ages?

It takes Patty one-third of an hour to wash a car and half that time to dry off a car. How long will it take her to wash and dry 6 cars?

50) The first year Beth worked she earned n. The second year she earned 500 more than twice what she made the first year. The third year she earned 500 less than twice what she made the second year.

What is the sum of x + y when x = - 2.7 and y = 5.2? A. -7.9 B. -2.5 C. 2.5 D. 7.9

Which graph shows a negative correlation? 10Ty 9+ 8+ CON + 1 2 + 3 + 4 + 5 + 6 + 7 8 9 000

Twice the difference of a number and seven

Dec 14, 2015 - You and a friend each have a collection of tokens. Initially for every 8 tokens you had, your friend had three. After you give half of your tokens to your. friend