If you need to simplify the equation it would be:

+2r-2n+7
If not sorry..
Hope This Helps!
Answer:
xn = n·(n + 1)/2
Step-by-step explanation:
Answer:
WOM is congruent to angle TWO
Step-by-step explanation:
I did Geometry, I got A+
Answer:
150Ft^2
Step-by-step explanation:
The area of a parallelogram is A=BH where B is base length and H is height. I'm not sure why there is information about a triangular base, maybe an illustration would help. But with the information provided, the base times height is equal to 150 Ft^2. Check out the Kahn Academy video for a better explanation
Answer:
See attached
Step-by-step explanation:
The proof is attached