Its says to Add the following integer -2+7=?

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

What is another way to express 36 +32

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?