Find the average of the list of numbers.-15, 3, -8, 7, -9, 2, -1
A. 1
B. -2
C. -3
D. -1
Answer: C
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Find the center (h, k) and radius r of the circle with the given equation. 2(x - 5)2 + 2(y - 6)2 = 32
A. (h, k) = (5, 6); r = 8 B. (h, k) = (-5, -6); r = 8 C. (h, k) = (-5, -6); r = 4 D. (h, k) = (5, 6); r = 4
Solve the problem.A rectangle has a length of x + 2 and a width of x - 2, and has an area of 60 square units. Find the length and width of the rectangle. (A = LW)
A. width = 4 units; length = 15 units B. width = 6 units; length = 10 units C. width = 3 units; length = 20 units D. width = 5 units; length = 12 units
Match the system of equations with one of the graphs.y2 - 5y = x - 4xy = 7
A. 
B. 
C. 
D. 
Solve the system. x - y + 2z = -3-4x + 4y - 8z = -3 x + 3y + z = 6
A. (0, 3, -3) B. (-3, 3, 0) C. (-3, 0, 3) D. No solution