The sum of John's and Liza's age is 21. If John is three years

younger than Liza, how old are John and Liza?

Express your answer as an ordered pair (x, y) where John is x

and Liza is y.

Find 80% of $200 [1]

My pennies are worth as much as my nickels, my nickels are worth as much as my dimes, and my dimes are worth as much as my quarters. If the value of all these coins is $8, how many nickels do I have

Explain how you can use a number line to find the sum

A demand ___ is a graphic representation of the law of demand a. schedule b. curve c. projection d. model

What is 0.75 as a percentage

Combine 4c - c in like terms

Answer 3*c*c*c * = multiply Make it a Simplified expression

Today is Jack's birthday and Jill's birthday. Jack is five and Jill is nine. 1. How many years ago was Jill twice as old as Jack? 2. When Jack is three quarters as old as Jill, how old will Jill be? 3.

Avery's income tax rate is 12%. If she made $85,000 this year, how much income tax will she pay?

What is the inverse of f (x) = (1/2) ^x