From the points you get a slope of -1 using the slope in y=mx+b you get b=1 so y=-x+1
Answer:
Step-by-step explanation:
The last one
21 because you just multiply the 2 numbers.
Answer: b = 2a
Step-by-step explanation:
<u>Original equation</u>
a = (1/2) b
<u>Multiply 2 on both sides</u>
a * 2 = (1/2) b * 2

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