Vhat is the solution to the following system?

3x+10y - 12z = 40

X-5y = 0

X-4z = 0

Integer for profit of $12

Approximately how much of the Earth's surface is covered with water? A. 1/3 B. 1/2 C. 3/4 D. 9/10

What property do you use when you rewrite the equation 6 (x+1) = 12 as 6x+6=12?

A local car wash is open 8 hours each day. It uses 1/3 of a container of wax for each car.

A survey of physicians in 1979 found that some doctors give a placebo to patients who complain of pain for which the physician can find no cause. If the patients' pain improves, these doctors conclude that it had no physical basis.

The diagram shows the position of two towns Alton and barking

2y-5 >11 or - 3y-5 >-11

If i Drank 3/4 of a 20.8 ounce juice how many ounces did i drink?

X^2 (x+7) = 1/2 (14x^2 + 16)

Solve the equation for x. (Round your answer to three decimal places.) arctan (4x - 4) = - 1