Answer:
i looked it up
Step-by-step explanation:
Answer: x = -7
Step-by-step explanation: use the slope formula and slope intercept form y = mx + b to find the equation
In general for a rectangle of dimensions w by h and a semicircle of diameter w we get an area:

The halfs are because a semicircle is half a circle and a radius is half a diameter.
We're told

Substituting,

Answer: B
Answer: 2
(The slope is always the coefficient of the independent variable, in this case x . The slope is therefore 2.)