The cost for groceries was $11.20 before sales tax. how much was the total cost
of groceries after the 5% sales tax was charged?

What expression is equivalent to 1/2(2+3x-6)

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?