Mcdonald's has sold more than a billion hamburgers. if it were possible to eat a hamburger every minute of every day without stopping, how many years would it take to eat a billion hamburgers

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Two numbers have a sum of -19. one number is x. what expression represents the other number?