Answer:
y = -x + 8
Step-by-step explanation:
First, plug in the slope.
y = mx + b
y = -1x + b
y = -x + b
Then, plug in the point.
7 = -(1) + b
7 = -1 + b
8 = b
<span> sqrt 21y * 5sqrt 49y
= sqrt(21y) * 5*7*sqrt(y)
= sqrt(y) [ sqrt(21) * 35 ] (answer)</span>
Answer:
the green reectangle
Step-by-step explanation:
perpendicular: make 90°