18 is what percent of 90

A company that manufactures mufflers for cars offers a lifetime warranty on its products, provided that ownership of the car does not change. Suppose that only 20% of its mufflers are replaced under this warranty. a.

Find the square roots of 2500. What is the principal square root of 2500?

Volunteers at the park will plant 150 marigold plants and 60 petunia plants. they will plant 5 rows of petunias and twice as many rows of marigolds

Find the value of the underlined digit 16,403

Kristy asks lonnie of a number add 3 to it multiply the sum by 2 and then subtract 6. Let n stand for Lonnies number. What expression could represent Lonnies final number.

Consider the following linear regression prediction equation: Y = 12 + - 1x. What is the direction of the relationship between these two variables?

Sergio got 80% on a test. He answers 24 questions right. How many questions are on the test?

The quotient of 3/10:4/5

Demetra earns $9 per hour working at the bakery. She earns $7 per hour babysitting. If Demetra works for 4 hours at the bakery and babysits for 5 hours how much money would she earn?

The price of a frig is marked up 25% to 406.25 what was the original price