8x + 2y=-10 solve for y

A cooler holds 15 liters of water. About how many gallons does it hold?

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn.

If the roots of the quadratic equation : p (q-r) x^2+q (r-p) x+r (p-q) = 0 are equal show that 1/p+1/r=2/q

What is the slope of y = - 3/5x-2

Evaluate 27x by the power of 2 - 42x + 12 and the equivalent expression that you wrote in problem 7 for x = 2. what do you notice about the value of the two expressions?

Solve the inequality. 4/5x+5<3

The amount of money in a bank account that is compounded yearly can be represented by the function A (y) =

20. Helen and Carla live in states that have different sales tax rates. They each bought a new bicycle. Helen paid $14 for a 5.6% sales tax on her bicycle. Carla paid $12 for a 4.8% sales tax on her bicycle.

Explain why 8,000: 800 = 10

Train A leaves the station every 9 minutes. TrainB leaves the station every 15 minutes. If it is 2:00 pm now and both left, when is the next time that both trains will leave together?