answer is c because if it's not a and b then the only answers will be c and d and d is the same as the number so it's c
10 x 40 = 400 so the answer is 400 pieces of chalk.
gShbtep-by-step explanajtiottdhjbgbfgtvjhjnjh:ttttt
Answer:
(-4,-1)
Step-by-step explanation:
Assuming the graph is the one shown in the attachment.
The forward sloping line has a slope of 1 and a y-intercept of 3.
The equation of this line is y=x+3
The horizontal line has a slope of 0 and y-intercept of -1.
It's equation is y=-1
The two lines intersect at (-4,-1)
Your answer is 40mm
3+12+12+13
=40