Solve the following problems. 1. Divide the sum of 7 and 8 by the opposite of 2.

2. Divide the square of 8 by the product of 4 times -4.

3. Divide the opposite of the product of 12 times 12 by the square of 12.

4. From 2 P. M. to 6 P. M., the temperature dropped for 0°C to -12°C. What is
the average temperature change per hour?

PLS HELP WILL MARK BRAINLIEST