Aza goes out for dinner at a local restaurant. Each meal costs her $6.50. If she dines out 20 times in a month, how much does Aza spend on dinner for that month?

• $130.00

• $120.00

• $25.00

• $15.00

A group of dolphins is diving 120 feet below the surface of the sea. There is a shipwreck 130 feet below the dolphins. How many feet deep is the shipwreck relative to the surface of the sea?

Ms. T uses her credit card to buy groceries 4 times in a month. Each time she buys groceries, the cost is $20.75. Write an expression Ms. T can use to find the change in her credit card balance in dollars after buying the groceries for the month? ​ (a)   ​

A swimming pool lost 21 gallons of water over 6 hours due to evaporation. What was the decrease in the amount of water in gallons in the pool each hour?

Elise is on a hiking trip in Colorado. The highest elevation she reaches is 240 meters and the lowest elevation is about 10 meters below sea level. Michael wants to know the change in elevation to determine how many meters Elise hiked. Write an equation that he can use to find the change including the result.