Answer:
4x + y = 15 or y = -4x + 15
Step-by-step explanation:
7 = 2[-4] + b
-8
15 = b

If you want it in <em>Standard </em><em>Form</em>:
y = -4x + 15
+4x +4x
___________
4x + y = 15 >> Line in <em>Standard Form</em>
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So I just set up a division for this question. I hope this helped and ask for any further help.
Answer:
-422
Step-by-step explanation:
51[-2]³ - 21 + 7
51[-8] - 14
-408 - 14 = -422
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64 dollars is the tax, the total cost would be $864.
Use this for percentages.
https://percentagecalculator.net/
Answer:
50
Step-by-step explanation:
4,500÷90=50
and to check
90×50=4500