Answer:
3
Step-by-step explanation:
"Sum" is addition.
3(15)+4(2)
First simplify by multiplying 3 by 15 and 4 by 2.
45+8
Now simply add. :)
45+8=53
The answer is 53. :)
Yes that is true, all opposite sides would be parallel, and all the corners are 90 degrees, then yes it is true
The answer is Linear I believe
