Answer:
sorry i neeeeeeeeeeeeeed the points
Step-by-step explanation:
(5-9)^2 - [5-9]
=(-4)^2 - [-4]
=(16) + 4
=20
(two negatives=positive)
1st strategy: Add the first two terms and the last two.
16+35 + 24+14
51 + 38 = 89
2nd strategy: add the first and last term and the middle 2 terms.
16 + 35 + 24 + 14
30 + 59 = 89
Answer:
-9
Step-by-step explanation:
8-17=-9
I think 60°
these angles are very confusing sorry!
