Answer:
35 x 10.6, 140 x 2.65 and 371 x 1
Step-by-step explanation:
-6-(-2n)=3n-6+5
-6+2n=3n-6+5
-6+6-5=3n-2n
-5=n
Answer:

Step-by-step explanation:


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Answer:
8 feet
Step-by-step explanation:
because the length is 17 ft and that makes the height 8 feet high
Answer:
y = 9
Step-by-step explanation:
The line x = -7 is a vertical line, so the perpendicular line will be horizontal.
Horizontal lines have a slope of 0.
Using this slope and the point given, plug them into y = mx + b to solve for b and create the equation
y = mx + b
9 = 0(4) + b
9 = b
Plug this and the slope into the equation:
y = mx + b
y = 0x + b
y = 9
So, y = 9 is the equation