Answer:
i'm not sure
Step-by-step explanation:
c = 60
A triangle = 180 degrees
180-(15+105)=c
c=60
<u>Answer:</u>
None
<u>Explanation:</u>
-3(2+7) = -3×9 = -27
-6+21 = 15
-21+6 = -15
Hence there is no equivalence
1, she picks about 20+12+(20+28)=32+48=80.