An item is regularly priced at

$90

. Rita bought it on sale for

80%

off the regular price. How much did Rita pay?

7,857,462 into scientific notation

Jane says that she can use addition to show that the graph of 2x-3y=1 and 2x+3y=2 are intersecting lines. In two or more complete sentences, describe the process of using addition to show that the lines are intersecting

Write the algebraic expression to represent the sum of 100 and h

What is the answer to 3 divided by 74 in partial products

You are playing a game with your friends, alex and Jeff. The first player who rolls a 7 using 2 number cubes gets to start the game. Explain how to find the probability that you will roll a total of seven on your first try?

18) A TV screen has a length of 15 inches. The diagonal of the TV is 25 inches. What is the width of the TV? A) 400 inches B) 40 inches C) 20 inches D) 29.2 inches

Y = x + 2; y = x2 + 2

Whats a relative frequency

Negative 3 is twice as large as a number, h

Laura jarred 6 liters of jam after 3 days. How many days does Laura need to spend making jam if she wants to jar 10 liters of jam in all? Solve using unit rates.