For a chemistry lab, you used 2 ounces of calcium sulfate, 2.5 pounds of copper, and 1 4 lb of nickel. What was the combined weight of your materials?

You manage the chlorine division of your company. Your division sold 3 2/5 million gallons on Monday, 2 1/5 million gallons on Tuesday and 1 3/5 million gallons on Wednesday.

If sin = 1/2then show that 3cos - 4cos^3=0

Identify the GCF of 10x^4y^3 âˆ' 5x^3y^2 + 20x^2y.

How can you solve a multistep problem that involves fractions?

Add or subtract. 7z2 - 2z4 - 2z2 - 5z4

Is - 1/6 a rational number?

The graph of f (x) is obtained by translating the graph g (x) = |x| five units down. what is the equation of the graph of f (x)

How many years make up a century? a. 10 b. 100 c. 1000 d. 10000

The stem-and-leaf plot shows the ages of the volunteers at a beach cleanup. How many of the volunteers were less than 20 or older than 40 years old?

If 2x = 14 then x=7