Here is the required diagram .
Alternate angles are equal .
Answer:
the second one (Diego)
Step-by-step explanation:
7a-3a
5b+4b
Answer: 30
Step-by-step explanation: square 24 and 18 (576 & 324) then add them together (900), then the square root of 900 is 30, so 30.
I hope this helps you
(x-5)(x+1)