Factor completely. If the polynomial cannot be factored, say it is prime.9x2 - 39x - 30
A. 3(3x + 2)(x - 5)
B. (9x + 6)(x - 5)
C. 3(3x - 2)(x + 5)
D. prime
Answer: A
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Determine whether the graph is a tree.In order to study the way that people react to strangers, a psychologist conducts an interesting experiment. Without any instructions as to the nature of the experiment, one hundred strangers are led into a large room in which refreshments are being served and music is playing. The psychologist draws a graph in which each vertex represents a subject and she draws an edge between pairs if the pair engages in conversation and if this conversation is the first conversation for at least one member of the pair. Must the resulting graph be a tree?
A. No B. Yes
Factor the GCF from the polynomial.32x3y + 36xy5
A. 4xy(8x2 + 9y4) B. 4y(8x3 + 9xy4) C. 4x(8x2y + 9y5) D. xy(32x2 + 36y4)
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest dollar unless otherwise stated.The Men's Shop made the following purchases of dress shirts:Beginning inventory:50 shirts at $73.89March:60 shirts at $46.90 June:75 shirts at $83.35August:35 shirts at $76.43A September inventory found 131 shirts remaining. Find the inventory value using the weighted average, FIFO, and LIFO methods. Round amounts to the nearest cent.
A. Weighted average: $9190.72 FIFO: $8258.85 LIFO: $9911.20 B. Weighted average: $15,434.80 FIFO: $9679.59 LIFO: $10,012.33 C. Weighted average: $9190.72 FIFO: $9911.20 LIFO: $8258.85 D. Weighted average: $9188.67 FIFO: $6143.90 LIFO: $10,918.85