True or false:(6.9×10^8) (3.1×10^8)=2.139×10^17.

A true
B false

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Which of the following is the result of expanding