# Harry and Helen are married, filing jointly. Their combined taxable income is \$65,922. Every week, a total of \$187 is withheld from their pay. Based on the table below, what can Harry and Helen expect when their taxes are due?

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## Question:

A power company calculates a person’s monthly bill from the number of

kilowatt-hours (kWh), x, used.
The function b(x) = {
0.15%,
0.10 (20 – 400) + 60,
2 < 400 2 > 400
determines
the bill.
How much is the bill for a person who uses 600 kWh in a month?
O A. \$80
B. \$90
C. \$100
O D. \$110