Bob reed sells a clock for $120.95 that cost him $62.50. bob's percent of markup based on the selling price is: 93.52 percent 48.33 percent 31.86 percent 95.32 percent none of the above

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation, and the determine the cost if he drove it70 miles. b) what would be the cost of a car rental if the car was driven 250 miles? show work