Find a formula for the nth term of the sequence.1, - 
, 
, - 
, 
(reciprocals of squares with alternating signs)
A. an = 
B. an = 
C. an = 
D. an = 
Answer: B
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Provide an appropriate response.Find all points (x, y) on the graph of y = 
with tangent lines perpendicular to the line 
A. (0, 0), (6, 2) B. (0, 0) C. (12, 2) D. (0, 0), (12, 2)
Solve the problem by combining like terms.The value of 8 dimes is 10 ? 8 = 80 cents. Likewise, the value of x dimes is 10x cents. If George finds 
nickels, 6x dimes, and x quarters in his change jar, express the total value of change in cents as an algebraic expression.
A. 105x - 10 cents B. 105x - 2 cents C. 105x + 10 cents D. 80x - 10 cents
Answer the question.Nurit earned gross pay of $776.00 working 40 hours each week in a advertising agency. Mahmoud's gross weekly pay was $854.20 for a 43-hour work week as a electrician. Was Nurit's pay per hour the same as Mahmoud's?
A. Yes B. No
Graph the linear function by plotting the x- and y-intercepts.5x - 15y - 30 = 0
A. intercepts: (0, -6), (2, 0)
B. intercepts: (0, -2), (-6, 0)
C. intercepts: (0, -2), (6, 0)
D. intercepts: (0, 6), (-2, 0)