Answer:
2
Step-by-step explanation:
You have to cancel the -7 so you would add +7 to each side.
-7+7=0, -5+7= 2
y=2
Although this isn't an answer choice. Did you mistype something?
Answer:
x=7
Step-by-step explanation:
14/28=x/14
x=7
The first one because it’s (13(31)
0.0000021 you need to divide 2.1 by 10^6
Answer: 19.63
Step-by-step explanation:
A = pir^2 , pi*2.5^2 = 19.63