Your answer is the third one. WHen it comes to system of equations, this will cancel out 4a, therefore isolating the variable. That turns the equation into -2b=-5.
Answer:
3 or 3/1
Step-by-step explanation:
count the rise over run from exact pints, I used (-1,3) ans (-2,0)
The change in elevation is -15 meters
Answer:

<h2>
Step-by-step explanation:</h2>
7z+5>47
Remove the 5:

Divide by 7 to get z by itself:
