Jon and Anne had an equal amount of money. Jon spent $10. Anne spent $30. Now Jon has twice as much money as Anne. How much did they have first?

A ball drops from a height of 2 m. After it hits the floor, it rebounds to 60% of its previous height. What is the total downward distance the ball travels before it comes to rest? a. 3 m b. 5 m c. 8 m d. 10 m

Delia runs 8 Miles everyday at her health club she earns a free month membership after she's run 1000 miles how many days does she have to run before earn the free month

What is the solution of 2x+2y=10 y=8x+5

Solve this inequality 3q - 6 > 21

7. The probability that Jane smokes is 4/9. The probability that she smokes and develops lung cancer is 3/10. Find the probability that she develops lung cancer, given she smokes.

What is the measure of Z in the parallelogram shown? A. 190 B. 90 C. 150 D. 30

Add. (2x4+x3-4x2+3) + (4x4-2x3-x2+10x+2) Express the answer in standard form. Enter your answer in the box.

A rectangular park has a width of 8/9 of a mile and a length 3/5 of a mile. Find the area of the park. Write your answer in simplest form, using a complete sentence explain your answer.

A female grey whale is 2 times as long as a female killer whale. A female killer whale is 7 meters long. How long is a female grey whalevin centimeters?

Raina's fish tank has 17 liters of water in it. She plans to add 5 liters per minute until the tank has more than 52 liters. What are the possible numbers of minutes Raina could add water? Use t for the number of minutes.