I don't know how to do this question

I don't know how to do this question

This is a 6th grade math question.

a it at -80 feet, he swims up and jumps out of the water to the height of 15 feet

A -62 feet C 46 feet B -46 feet...

The book says the answer is 17 lb. I can't figure out how this can be. I see the problem as 8 + (-9) = -1. I don't see how both numbers are to be added. HELP!!!!

we are studying subtracting integers with fractions but i am not getting it. Even with the negatives

I need to find out what is seven minus negative four

What is negative 1 minus negative 5?