Answer:
Width = 9 km
Step-by-step explanation:
Area is length*width, so to find the width, you divide the area by the length. 63/7 is 9.
Wouldn't the answer be 122
All you have to do is plug it into slope-intercept form, which is y = mx + b
y = (-2)x + 4
y = -2x + 4
the answer is A
Answer:

Step-by-step explanation:

Combine like terms:

Multiply both sides by -10:

(X + 4)(X^2 - 1) = x^3 + 4x^2 - x - 4