None of them have a solution of x, but 5x=15, 7x-2=19, and 5x+6=21 all have the same answer of x=3
2^2-1
4-1
3
g(2)=3
Hope this helps
Answer:
C
Step-by-step explanation:
Step 1: plot your 2 known points, (-2,3) and (1,0)
Step 2: after that, you should see that your y value should be a - and your x a +. You can eliminate A and B.
Step 3: check to see if C is a correct answer, (4,-3)
C is the answer, hope that helps
Answer: 3 kg 605 g
Step-by-step explanation:

Multiply both parts of the equation by V:

Answer:
169.70563
Step-by-step explanation:
If it's pythagorean theoram then i used 
a and b would be 120.
doing all that would get you the answer.
if this helped...great.