Adealer sold a stereo system for $754 after he marked it up 45%. what did the dealer pay for the stereo system?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.