David's cell phone company charges $0.45 for each text message plus a monthly fee of $50.00. He owes $91.40. Write and solve an equation to find the number of text messages did David has?

If △STU ≅ △HIJ, then what corresponding parts are congruent?

Write a ratio as a fraction. Simplify if necessary. Pharmacy sells 120 tablets of aspirin for $8.00?

Suppose that in a particular sample, the mean is 70.07 and the standard deviation is 10.27. what is the z score that corresponds to a raw score of 80?

Gavin plans to mix a batch of tangerine paint. He expects to have a total of 5 3/10 ounces of paint after he mixes the amounts of red and yellow. Explain how you can tell if Gavin's expectation is reasonable. Red: 3 9/10 Yellow: 2 3/8

At A local preschool there is a ratio of three boys every for girls and their 245 total preschoolers enrolled how many are boys

What are three types of irrational numbers?

What is the number that has the same absolute value as 81

Write the principal square root of the integers between 320 325. Which of these is a rational?

Suppose Johnny invests $2,745 into an account, which has been earning interest for many years and he now has a total of $39,974.

The function below can be used to calculate the cost of making a long distance call, f (m), which is based on a $2.50 initial charge and a fee of $.12 per minute, m, that the call lasts. If Natalie paid $6.