The answer is d) 14. Attached is a screenshot of how to do this on a graph. Graph the given point (5,12). Count out your slope on either side until you reach your given y value (6).
X+3=8 (just rid of squares)
X=8-3
X=5
Step-by-step explanation:
5. To find the area of any rectangle, multiply length and width
6. To find the area of any triangle, multiply base times height
i don't know about question 4 sorry :(
ummm -4.5 since you just observe this is negative