Answer:
The area of the pentagon is 32.7 cm.
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
mhm for your brother
anyways...
2x-3+6x = 21
Adding like terms
8x -3 = 21
Adding 3 on both sides
8x = 24
Dividing both sides by 8
x = 3
Say the question more clearly please
Is the 12 and 7 together or.....
A) 49x^2
Because:
(7x-10y)^2 = 49x^2 - 140xy + 100y^2