Answer:
60
Step-by-step explanation:
First, divide 120 by two and get 60. Now do 120-60 to get 60. Set up proportion
60/x = x/60.
Cross multiply
x^2 = 3600
and now find the square root of 3600
60
The area of the rectangle is (2x + 3)(2x - 3) = 4x2 - 9.
Answer:
y = -2x + 2
Step-by-step explanation:
y-intercept is 2 (where the line crosses the y axis)
slope is -2 (fall over run)
written in slope - intercept form, you get y = -2x + 2