Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income between $15,000 and $44,999 inclusive?
A. 0.48
B. 0.3
C. 0.78
D. 0.5
Answer: C
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 5xi + 5yj + 2k , S is the surface cut from the bottom of the paraboloid z = x2 + y2 by the plane 
direction is outward
A. 16? B. -144? C. 88? D. 72?
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline on a day when they charge $4.05 per gallon, whereas they sell 3849 gallons on a day that they charge $4.10 per gallon. Find a linear equation that expresses gallons sold, G, in terms of price, p.
A. G = -19,420p + 83,449.2 B. G = -19,420p + 83,454.8 C. G = -19,420p + 83,471 D. G = -19,420p + 83,487
Solve the problem.To produce a calculator, Cal Industries signed a note on April 2 for $86,400, due in 120 days at 14% interest. On May 5 they made a payment of $20,000, and on June 1 another of $25,000. Find the amount due on the maturity date and the interest charged.
A. $45,112.15, $3652.15 B. $44,624.45, $3164.45 C. $44,226.05, $2826.05 D. $43,914.25, $2514.25
Solve the problem.The sales tax rate in one state is 5.75%. How much tax will be charged on a purchase of 6 chairs at $63 apiece? Round your answer to the nearest cent.
A. $217.35 B. $21.74 C. $3.62 D. $66.62