Write an integer that represents each of the following.
i. 90 feet below sea level
ii. $100 of debt
iii. 2°c above zero

The correct answers are:

-90-100+2

Step-by-step explanation:

As sea level is equal to zero, 90 feet below sea level is -90 ft. The integer is -90.As debts are consider negative in a balance, $100 of debt are -$100. The integer is -100.As 0°C is the zero of the Celcius scale, 2°C above zero is +2°C. The integer is +2.