Answer:
the answer is 8/3
Step-by-step explanation:
-2/3 ÷ 1/-4
-2/3 × -4/1
8/3
mark me as brainliest plyyzzz
Answer:
i think its the same as one of the angles: 42º
correct me if im wrong
<span>
-4c - 11 = 4c +21 add 4c to both sides
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<span>
-4c - 11 + 4c = 4c + 21 + 4c simplify
- 11 = 8c + 21</span> <span> subtract 21 from both sides
- 11 - 21 = 8c + 21 - 21 </span><span>simplify
- 32 = 8c divide both sides by 8
c = - 4That's it
</span>
I hope you got
the idea