The speed limit of a highway is 55 miles per hour. a car is traveling at least 65 miles per hour. how many miles per hour m over the speed limit is the car traveling?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Can someone me and do the problem plz so i can understand it more better

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase