What is the average rate of change for this quadratic function interval from x=0 to x=2

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3