Answer:
To simplify this you simply need to combine like terms:
2a^2 +4b +25a +15b
4b and 15b are your only like terms, so you would add them together 4b+15b=19b
2a^2+19b+25a is your final answer
Hope this helps ;)
Step-by-step explanation:
4x(-2) + 4 x 7 4x5 + 2x(-1) =[-8 20]
[28 -2 ]
I'm going with C. scalene triangle
It is a observation study, because you are observing how much rainfall is in Hawaii at 50 sites.
