4.2 = <u>c
</u> 8
<u>
<em /></u><em>multiply both sides by 8
</em>
4.2* 8 = <u>8</u><u>c
</u> 8
<u>
</u> c = 33.6<u>
</u>
Answer:7+a
Step-by-step explanation:multiply 7 by a
Answer:

Step-by-step explanation:
y = 18 + 3x²
- 18 - 18
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