Step-by-step explanation:
How much test is she doing?
I think the question is missing something.
Answer:
It's 540.
You divide 9 by 21 then you multiply it by 1260 and you get 540
y=75x+100
Hope it helps (≡^∇^≡)
says of the week
x side or bottom of graph is independent variable
y side of left part of the graph is dependent variable
