Select the formula that best models the data in the table. 
A. y = 3x
B. y = x3
C. y = 2x + 3
D. y = x2
Answer: B
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Find the absolute and relative errors.It took you one hour and 10 minutes to drive home, you estimated the time to be one hour and 23 minutes.
A. absolute error: 13 minutes relative error: 15.7% B. absolute error: 13 minutes relative error: 18.6% C. absolute error: -13 minutes relative error: -18.6% D. absolute error: 13 minutes relative error: 1.9%
Convert the base 10 numeral to a numeral in the base indicated.68 to base 8
A. 1208 B. 1028 C. 1408 D. 1048
Solve the equation.
(8x - 12) = 6(
x - 
) + 6
A. 
B. 0
C. all real numbers
D. no solution
Solve the problem. Write all linear equations in slope-intercept form.Suppose that a sales person observes that if an item is priced at $10 per item then 4 items are sold. If 2 items are sold for $12 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line.
A. y = -x + 14 B. y = -x - 6 C. y = x - 6 D. y = x + 14