Answer:
7x(-9)
Step-by-step explanation:
-3x-5 becomes positive 15
-2x-1 becomes positive 2
6x6 is 36
7x-9 is -63
Answer:
I think it's the last one! In an experiment, one group is studied over a short period of time---
Answer:
1
Step-by-step explanation:
4+(-5*-1)-8
4+5-8
9-8
pemdas
Number 3 is 7
Number 4 is 3
And number 6 is 9
Im sorry I dont know the rest.
I hope this helps.
