Answer:
-3b - 21
Step-by-step explanation:
You have distribute the -3 to both b and 7. So, you would have to multiply the -3 to both b and 7.
I believe that the answer is 57
Aren’t there only 2? Because of the squared exponent? I’m not fully sure
Answer:
A. -415m
Step-by-step explanation:
-300 meters is the starting point.
Then, the submarine goes 115m further below the surface, which can be represented as -115.
Add -300 and -115 and you get -415m.
B.
7/8 = .875
7/4 = 1.75
7/8 < 1 < 7/4