R2-4r-77 = (r-11)(r+7)
r has to be greater than 11 in order for the formula to represent the area of a rug since a side length cannot be less than or equal to 0.
Answer:
7x
Step-by-step explanation:
9x-2x=7x
When that equation is graphed, it produces a straiught line. The slope
of the line is 5, and the line intersects the y-axis at y=6.
Answer:
They are both right-angled triangles.
Step-by-step explanation:
