30,77,55,71,19,40,10,5,7,6
I just checked and the right answer seems to be a) 5.5, I am truly sorry if it was incorrect but pls let me know if it was the right answer
An exterior angle is equal to the sum of the two opposite inside angles.
T + 31 = t + t-29
Simplify:
T + 31 = 2t -29
Add 29 to both sides:
T + 60 = 2t
Subtract 1t from both sides:
T = 60
(9 - 7 × 3 + 4)²
(9 - 21 + 4)²
(9 - 17)²
(-12)²
144
Answer:
-a+11
Step-by-step explanation:
hard to explain. but should be correct
