How many gallons of a 50% antifreeze solution must be mixed with 70 gallons of 30% antifreeze to get a mixture that is 40% antifreeze?

What is the slope of y = 7

A right triangle has a perimeter of 84. The ratio of each of the sides are 3:4:5. What are the lengths of each side of the triangle?

A rocket is launched upward with a velocity of 288 feet per second from the top of a 60-foot building. What is the maximum height attained by the rocket?

Marcel is putting party favors in bags he has 12 noisemakers and 42 streamers. He wants to put an equal number of party facors into the bags with none left over, but he doesn't want to mix noisemakers and streamers together in the same bag.

The function d (t) = 300,000t represents the distance (in kilometers) that light travels in t seconds. a. How far does light travel in 15 seconds? kilometers b. How long does it take light to travel 12 million kilometers? seconds.

Find three consecutive even integer with the sum of - 84

F (x) = 2x^3 + 6 G (x) = - 4x-1

Complete the square t^2-8t+10

A bag contains 4 red chips and 2 blue chips. another bag contains 2 red chips and 6 blue chips. A chip is randomly selected from one bag and it is blue. What is the probability that it came from the first bag

X-2/5=1/5 what is x explain how you got the answer