They add up to 180 degrees.
5x+7+15x-7=180
20x=180
x=9
Image of A (2-8, 6+4) =(-6,10)
image of B (-1-8, 5+4)=(-9,9)
Answer:
1. 2x+8
2. 3x-6
3. -6x-3
Step-by-step explanation:
I dunno what you're supposed to do for the modeling, but I simplified the expressions
Answer:
(d − 3) (d + 3) (d² + 9)
Step-by-step explanation:
d⁴ − 81
Factor using difference of squares.
(d² − 9) (d² + 9)
Factor using difference of squares again.
(d − 3) (d + 3) (d² + 9)
