Answer:

Step-by-step explanation:
As the line is perpendicular to
, we know that the slope of the line is
. As it passes through
, we know that it should be
.
Answer:
Length: (x - 4) meters
Step-by-step explanation:
x² - 16
x² - 4²
(x - 4)(x + 4)
Answer:140
Explanation: multiply 70 times 2.00
Step-by-step explanation:
-9x + 1 = -x + 17
collect like terms
-9x + x = 17-1
-8x = 16
divide both sides by -8
-8x/-8 = 16/8
x = 2