A car drives at an average speed of 54km/h for 1 hour and 20 minutes. What was the distance covered by the car in km?

Factor the expression using gcf 9b+45

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.