Solve the problem.A stockbroker bought 40 shares of stock for $38.79 each. What was the total amount of the purchase?
A. $1551.70
B. $1551.60
C. $1551.50
D. $1551.71
Answer: B
Mathematics
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Find the solution set for each inequality. Graph the solution set on a number line and write it in interval notation.|x| < -4
A. (-?, -4]
B. ?
C. (-?, -4) ? (4, ?)
D. (-4, 4)
Mathematics
Find the requested number.Two-thirds of a number is -8. What is the number?
A. -24 B. 24 C. -12 D. 12
Mathematics
Solve the system by the addition method.x + y = -1x - y = 14
A. {(6.5, -7.5)} B. {(1, 6.5)} C. {(1, -7.5)} D. {(6.5, 7.5)}
Mathematics
Convert the equation to the standard form for a parabola by completing the square on x or y as appropriate.x2 + 2x - 10y + 31 = 0
A. (x - 1)2 = -10(y - 3) B. (x - 1)2 = 10(y - 3) C. (x + 1)2 = 10(y + 3) D. (x + 1)2 = 10(y - 3)
Mathematics