A chemist needs to make 40 ml of a 25% acid solution. He has a 5% acid solution and a 30% acid solution on hand. If he uses the 5% and 30% solutions to creat the 25% solution, how many milliliters of each will he need?

The lenght of a football field is 40 more yards than its width. A. 40x B.) 40x + 4 C.) x+40 D.) 4x+40

The band at Hawthorne Middle School consists of students in the sixth, seventh, and eighth grades. Student participation in the band is described by the two-way table below.

Mrs. Clever mixes 1.24 liters of red paint with 3 times as much blue paint to make purple paint. She pours the paint equally into 5 containers. How much blue paint is in each container? Give your sender in liters

Express the product of (3/5x-1) and (x-5/6) as a trinomial in simplest form

Jeffery multiplied 7/8 by 2/3 and made the conclusion that the product of two rational numbers is rational. Is Jeffery correct? Explain.

How is 5/8 equivalent to 0.625

A random sample of 45 students took an SAT preparation course prior to taking the SAT. The sample mean of their quantitative SAT scores was 575 with a s. d. of 90, and the sample mean of their verbal SAT scores was 530 with a s. d. of 110.

Luis created the graph below to show the temperature from 8:00 a. m. (8 hours after midnight) until 8:00 pm Which statements are true about the temperatures Luis recorded on the graph? Check all that apply.

Approximately how many degrees are in the measure of an interior angle of a regular eight sided polygon?

4 5/2 in simplest form