No, 21 is a multiple of 7
We know the slope is -1, because perpendicular line's slopes are always the negative reciprocal. We plug (5, -3) in to get:
-3 = -5 + b
b = 2
So we get C. y = -x + 2.
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Hope this helps!
==jding713==
Plug in 2 for x. f(20=2-51 = -49
Answer:
$480
Step-by-step explanation:
8x6x10=480
