An airplane takes off and then climbs 2500 feet. After 20 minutes, the airplane descends 150 feet. What is the airplane's current height?

You are 5 dollars in debt. You borrow 12 dollars more.

What is the total amount of your debt?

In Buffalo, New York, the temperature was -12F in the morning. If the temperature dropped 8F, what is the temperature now?

Sylvia checked the balance in her bank account early in the morning and saw that she had 98 dollars. In the afternoon, she noticed that there was an overdraft of 6 dollars in the account for unpaid bills. How much were the unpaid bills?

A submarine was situated 800 feet below sea level. If it descends 200 feet, what is its new position?

In the Sahara Desert one day it was 130F. In the Gobi Desert a temperature of -40F was recorded. What is the difference between these two temperatures?

In Buffalo, New York, the temperature was -14F in the morning. If the temperature dropped 7F, what is the temperature now?

A submarine was situated 800 feet below sea level. If it descends 250 feet, what is its new position?

In the Sahara Desert one day it wasb136F. In the Gobi Desert a temperature of -50F was recorded. What is the difference between these two temperatures?

Mt. Everest, the highest elevation in Asia, is 29,312 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?