12/20 is equivalent to 3/5. <span />
Answer:
Step-by-step explanation:
3-21/21-3 = slope
slope =-1
y=-1x+b
21=-3+b
b=24
y=-x+24
Answer: -8x^2-14x
Step-by-step explanation:
A square is a rectangle, so this shape would be classified as a rectangle.
The area of a rectangle is length times width, so that means the area is 2x(-4x-7), which equals -8x^2-14x. Therefore, the area is -8x^2-14x.