Finding the original price with 80% and the sale price of $90

Evaluate the expression a + b when = 3 and = -5

48 kilometers for every 3 liters!

Which of the following expressions is equivalent to (3x+6) (2x-1)

Lf k (x) = 5x - 6, which expression is equivalent to (k + k) (4) ?

What is the domain of (f/g) (x) if f (x) = x g (x) = 1

What adds to negative 13 and multiplies to 42

Y=2x^2-6x+4 separate the values with a comma

Choose an American household at random and let the random variable X be the number of cars (including SUVs and light trucks) they own. Given is the probability distribution if we ignore the few households that own more than 5 cars.

Consider the quadratic equation. x^2=4x-5. How many solutions does the equation have? a.) one real solution b.) two real solutions c.) no real solutions d.) cannot be determined

What is the circumference of the circle of a diameter of 12