Answer:
21
Step-by-step explanation:
y = 20! always remember that it's always (x,y)!
I think the answer is 24 meters because the base is length time width and then multiply height and you get your answer
The slope is -1.2 because in the original formula y=mx+b, m is the slope. I am still working out the intercept. I will let you know ASAP.