To find your answer you would divide 21 by 3 which would be 7, once you've got 7 you would multiply it by 9 which would give you the amount of old houses that there is which would be 63.
Answer:
B
Step-by-step explanation:
Line crosses y-axis at 2.
Slope =
For each 1 square the line rises/falls it moves to the right/left 5 squares.
Negative slope lines are downhill left to right.
Answer:
2.9
Step-by-step explanation:
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