You are given the following expression a(a+b). The only thing you know is that “a” is a negative number and that “b” is also a negative number. Chris, a 7th grader student is convinced that when you evaluate the expression, the final answer will always be a positive number. Is Chris correct? How do you know?

im alright what do you need

step-by-step explanation:

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

rotation point l

step-by-step explanation:

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)