You can do one half of a job in an hour. Your friend can do one third of the same job in an hour. How long will it take to do the job if you work together?

Lf k (x) = 5x - 6, which expression is equivalent to (k + k) (4) ?

F (x) = x2 - 8x + 15 g (x) = x - 3 h (x) = f (x) : g (x) h (x) = ? the domain of h (x) ?

While mining, John found a large metal bar that contained 15 pounds of zinc. John also determined that the bar was 60% zinc. What was the total weight of the metal bar in pounds? Round your answer to the nearest whole number if necessary.

If a=5x^2+3x-7 and b=-3x^2-7x+5 find b-a

If a=4, then what is b? a+b=5a-2b

What is the measure of Z in the parallelogram shown? A. 190 B. 90 C. 150 D. 30

Add. (2x4+x3-4x2+3) + (4x4-2x3-x2+10x+2) Express the answer in standard form. Enter your answer in the box.

A rectangular park has a width of 8/9 of a mile and a length 3/5 of a mile. Find the area of the park. Write your answer in simplest form, using a complete sentence explain your answer.

A female grey whale is 2 times as long as a female killer whale. A female killer whale is 7 meters long. How long is a female grey whalevin centimeters?

Raina's fish tank has 17 liters of water in it. She plans to add 5 liters per minute until the tank has more than 52 liters. What are the possible numbers of minutes Raina could add water? Use t for the number of minutes.