Solve each system using substitution. Check your answer. y=8-x

7=2-y

Is - 5 an irrational number?

A humanbody has about 30 times as many platelets as white blood cells. a small sample of blood has 8 times ten times ten times ten white blood cells. about how many platelets are in the sample?

if kay travel a distance of 24 km at an average speed of 8 km per hour how long did it take her to make the trip?

What is the sum of the interior angles in a hendecagon

Jeremy is driving on the interstate highway, and he just saw a sign that said Montpelier was 52 miles away. If he's driving at 65 miles per hour, how many minutes will it take him to get to Montpelier?

4x (11+4) - 3² A.-6 B. 11

A family plans to surround their pool with a patio of constant width. The pool has an area of 150 square feet. The dimensions of the pool with the patio will be 15 feet by 20 feet. Find the dimensions of the pool.

Type 11//5 in the simplest form

Your macaroni and cheese recipe calls for 1 2/3 cups of milk. You're having company and you need to quadruple the recipe. How much milk will you need?

Math will give medals Which of the following are reasonable answers for the product of two negatives and a positive? 20 10 -20 -10