Graph.6x + 5y = 30
A. 
B. 
C. 
D. 
Answer: B
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Solve.An investment is worth $3600 in 1994. By 1999 it has grown to $5615. Let y be the value of the investment in the year x, where x = 0 represents 1994. Write a linear equation that relates the value of the investment, y, to the year x.
A. y = -403x + 7630
B. y = 
x + 3600
C. y = -403x + 3600
D. y = 403x + 3600
Solve.Each month a gas station sells x gallons of gas at $1.92/gallon. The cost to the owner of the gas station for each gallon of gas is $1.32. The monthly fixed cost for running the gas station is $37,000. Write an equation that relates the monthly profit, in dollars, to the number of gallons of gasoline sold. Then use the equation to find the monthly profit when 75,000 gallons of gas are sold in a month.
A. P = 0.60x + 37,000; $82,000 B. P = 1.32x - 37,000; $62,000 C. P = 1.92x - 37,000; $107,000 D. P = 0.60x - 37,000; $8000
Use the table to answer the question. Write the number in words. 
Which type of housing is most used?
A. owning a house; twenty billion, six hundred fifty-two million, eight hundred fifty-three B. owning a condo; seven thousand, three hundred seventy-nine million, two hundred eleven C. owning a house; twenty million, six hundred fifty-two thousand, eight hundred fifty-three D. renting a house; five million, one hundred fifty-three thousand, three hundred fifty-four
Write as a number.Three hundred twelve thousand, 
ninety-seven.
A. 3,206,970 B. 312,697 C. 312,697,000 D. 31,267