An electrician charges $80 an hour. His apprentice earns $42 an hour. The apprentice works on a job 3 hours less than the plumber. Together they earn $850. How many hours did they each work?

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. A rocket is launched from atop a 99-foot cliff with an initial velocity of 122 ft/s. a.

Is x-8 a factor of the function f (x) = - 2x^3+17x^2-64?

Calculate the area of a circle with a diameter of 6cm

The sum of three numbers is 95. The third is 3 times the second. The first number is 5 more than the second. What are the numbers?

If 2/3 ton of gravel covers 3/4 of a driveway, how many tons of gravel are required to cover the entire driveway?

Distributive 8 (4x+9)

3x - 8y = 1 6x + 5y = 12

Which is a shrink of an exponential growth function? a. f (x) = 1/3 (3) ^x b. f (x) = 3 (3) ^x c. f (x) = 1/3 (1/3) ^x d. f (x) = 3 (1/3) ^x

Pat and his friend rent an apartment together. Their total cost to move in included first months rent, last months rent and a security deposit of $600. If Pat paid a total of $1,050 to move in, how much is his share of the rent each month? a. $375 b.

Write 1/20 as a decimal