A chemist needs to make 1000mL of a 30% alcohol solution by mixing 25% and 55% solutions. How much of each should she use?

Number that has the same value as 80 tens

3h = 7 (2/7 - 3/7h) - 10 what does the variable equal

What degrees do u need to be a videogame designer?

What is the phase shift of a periodic function? A) a horizontal translation of the function B) the horizontal length of one cycle of the function C) the number of cycles of the function that occur in one horizontal unit D) a vertical translation of

The ratio of cars to trucks passing the intersection of Reyes Adobe and TO Blvd is 7:2. If 108 vehicles pass this intersection, how many are cars?

Determine how far the vehicle travels in 3 hours. A motorcycle travels 25 miles every 0.5 hour. The vehicle travels miles.

It takes a baseball player 16 seconds to round the bases and make it back to home plate home plate if it is 360 feet to go all around the bases then calculate the players average speed

Bruce and Mila are collecting baseball cards from their favorite teams, the Orioles and the Pirates. The equation r+p=28 represents the number of cards Bruce has. The equation 2r+p=43 represents the number of cards Mila has.

Kyra has a manufacturer's coupon for $5 off a box of diapers and a store coupon for 20% off any purchase. The store will let you use both coupons, but it does not have a policy about which coupon you must use first.

What does r equal? 5 (3-5r) + 3r = - (5r + 2)