Answer:

Step-by-step explanation:
line equation in general y = mx + b
m is the slope, and
b is the y-intercept
3=-3m+b
-7=3m+b
if we plus this two equations
3-7=2b
2b=-4
b=-2
3m=b-3=-5
m=-5/3
So,

Answer:
drawing project?
Step-by-step explanation:
Here, Pages in books = Number of books * number of pages in one book
So, Pages of picture book = 10 * 25 = 250
& Pages of chapter book = 120 * 5 = 600
So, Number of Total pages = 250 + 600 = 850
So, Option (D) is your answer! Hope this helps!!