It looks so simple but all the other choices are mixing my thoughts up. please help me
2 answers:
It would be C because the 40° is acute and the last degree is obtuse
B, because triangles add up to 180
40+40+x=180
80+x=180
x=100
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28a⁴b: 2 · 2 · 7 · a · a · a · a · b
16ab: 2 · 2 · 2 · 2 · a · b
GCF(28a⁴b, 16ab) = 4ab
The answer is A.
The correct anwser would be 56
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147
Step-by-step explanation:
180-33=147
