For the given arithmetic series, what is Sn?a1 = 6, d = -5, and n = 9
A. -504
B. -126
C. -252
D. -120
Answer: B
Mathematics
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Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference schedule below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S).
Who is the winner of a sequential runoff?
A. Clark B. Jones C. Jones and Clark tie. D. Smith
Mathematics
Evaluate the expression without using a calculator.ln 
A. -
B. 
C. 2
D. -2
Mathematics
Factor using the ac-method.48x2 + 28xy + 4y2
A. prime B. (12x + 4y)(4x + y) C. 4(3x - y)(4x - y) D. 4(3x + y)(4x + y)
Mathematics
Write an algebraic expression for the quantity. Let x represent the unknown value.The sum of five times a number and ten.
A. 10x + 5 B. 10(x + 5) C. 5x + 10 D. 5(x + 10)
Mathematics