Find the sum of - 3a and 5a - 3

When 50 pounds of a compound are produced, the manufacturing cost is described by x and the selling price is described by x^2 + 8x - 20. What is ratio of the cost to the selling price when x = 50?

Express the fraction 8/15 as a percent

Which of the following data sets has a range of 40? a. {40, 10, 20, 100} c. {40, 10, 20, 50} b. {40, 10, 20, 80} d. {40, 10, 20, 40}

A figure is dilated by a factor of 2. What happens to the perimeter of the figure? show your work

The rectangular prism shown has a length of 5 cm, a height of 3 cm, and the width of 4 cm. What is the surface area of this prism

Multiply. (y+2) (y - 4u-5) Simplify your answer.

How to find the sum of fractions

Find the dimensions of a rectangle whose perimeter is 46 m and whose area is 126m

Develop a formula for calculating the cost of apples. the cost of a dozen apples is 120

One serving of this cereal provides you with 160 mg of sodium. This is 7% of your body's daily needs. How many milligrams of sodium equal 100%?