A hair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. How many milliliter of each are used to make a 300 mL solution that is 5% hydrogen peroxide?

How can something that could be a need become a want? A) if it is highly desired B) if the need is already fulfilled C) if it is not desired D) if the need is not fulfilled

Nancy purchased some bed sheet for $36. They are on sale for 25% off. What was the original price of the bed sheets

Investment: Rule of 70 Verify that the time necessary for an investment to double in value is approximately 10/r, where r is the annual interest rate entered as a percent.

What is the height if the area is 20cm2 and the base is 8cm

Triangle DEF is translated two units up and two units right on a coordinate plane. Which of the following scenarios best represent (s) triangles DEF and D'E'F'. Select all that apply. The area of triangle D'E'F' is twice the area of triangle DEF.

Which of the following is a composite number? A. 31 B. 63 C. 61 D. 13

The vertices of ΔABC are A (1,-2), B (1,1), and C (5,-2). Which could be the side lengths of a triangle that is similar but not congruent to ΔABC?

What is the solution of the system? Use the substitution method. 3x+2y=11 x-2=-4y

At what rate is a car traveling, if it goes 157.5 miles in 2.5 hours? 15 miles per hour 63 miles per hour 73 miles per hour 393.75 miles per hour

A 2-parent family with 2 children lives in Lubbock. The family is saving for college and emergencies, but pays for its own health insurance.