Simplify. If the answer is not a real number, state so. Assume all variables represent non-negative real numbers.
A. 8x
B. x9
C. x8
D. x4
Answer: C
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Express the data in the graph as ordered pairs, letting the first coordinate represent the year and the second coordinate the amount.Spring Vacation:The length of the average spring vacation is decreasing.
A. (5.7, 2003), (5.7, 2004), (5.4, 2005), (5.1, 2006), (4.5, 2007), (4.7, 2008) B. (2003, 5.7), (2004, 5.7), (2005, 5.4), (2006, 5.1), (2007, 4.7), (2008, 4.5) C. (2003, 5.7), (2004, 5.7), (2005, 5.1), (2006, 5.4), (2007, 4.7), (2008, 4.5) D. (5.7, 2003), (5.7, 2004), (5.4, 2005), (5.1, 2006), (4.7, 2007), (4.5, 2008)
Find the center (h, k) and radius r of the circle. Graph the circle.(x + 1)2 + (y + 4)2 = 
A. (h, k) = (1, 4); r = 
B. (h, k) = (1, 4); r = 
C. (h, k) = (-1, -4); r = 
D. (h, k) = (-1, -4); r = 
Convert as indicated.The meeting hall in the student union has 10,800 square feet of floor space. Convert this to square yards.
A. 97,200 sq yd B. 3600 sq yd C. 32,400 sq yd D. 1200 sq yd
Factor completely. If the polynomial cannot be factored, say it is prime.10x3 - 19x2 - 15x
A. x(2x - 5)(5x + 3) B. (2x2 - 5)(5x + 3) C. x2(2x - 5)(5x + 3) D. x(5x - 5)(2x + 3)