15 + 30 = 30 + 15

(5 x 6) x 7 = 5 x (6 x 7) ___________________
Solve using Order of Operations.

100 ÷ (30-5) +2 x 3 _____________

Expanded Form.
15.96 = 10 + 5 + 0.9 + 0.06 True or False?

Solve. Show all your work.
Beth goes to the grocery store. She buys 3 apples for $.75 each, 2 boxes of cereal for $3.45 each, and 4 oranges for $0.60 each. How much did she spend? ______________________
If she paid with a $20 bill, how much change did she get back?