Find the absolute value of the complex number.z = -5
A. -25
B. 5
C. 25
D. -5
Answer: B
Mathematics
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Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 100?
A. $346.15 B. $50,000.00 C. $900.00 D. $34,615.38
Mathematics
Find the solution set of the system.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities.
A. x ? -2 B. y ? -2 C. y ? -2 D. x ? -2
Mathematics
Use the binomial theorem to expand the expression.(3x + 1)5
A. (9x2 + 6x + 1)5 B. 243x5 + 15x4 + 90x3 + 90x2 + 15x + 1 C. 243x5 + 405x4 + 270x3 + 90x2 + 15x + 1 D. 243x5 + 81x4 + 27x3 + 9x2 + 3x + 1
Mathematics