B. slope is -1/2
This is because the m-value aka the slope is always the reciprocal if the line is perpendicular
No, she cannot afford the car.
The total would be $176, and she only has $160.
Hope this helps!!
~Kiwi
Since x represents the length (in meters), the width, which is 7 meters greater, is x +7. The product of these dimensions is the area (in square meters):
x(x +7) = 170
In standard form, the quadratic is ...
x² +7x -170 = 0
Using the Pythagorean Theorem,
radius^2 = 40^2 + 9^2
radius^2 = 1,600 + 81
radius^2 = 1,681
radius = 41