Which one of the following is a factor of a²+bc+ab+ac?​

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

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