Distribute the first +a to the +a and multiply, then multiply the same +a and the +b and then multiply the -b and the +a and then the -b and the +b.
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Answer:
B.
Step-by-step explanation:
Plug in those x and y values into your equations.
(x, y) = (5, 1)
2x + 5y = 15
2(5) + 5(1) = 15
10 + 5 = 15
5x + 10y = 35
5(5) + 10(1) = 35
25 + 10 = 35
This proves those values are true. So the answer is B.
Answer:
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Step-by-step explanation:
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Answer:
12 slats can be made from a board i,e 42 feet long
Step-by-step explanation:
As per the given statement: A fence builder uses boards 
feet long for the vertical slats on the fence.
We have to calculate how many slats can be made from a board that is 42 feet long.
Builder uses board 
feet long for the vertical slats.
then;
for 42 feet long = 
slats can be made.
Therefore, 12 slats can be made from a board that is 42 feet long.
