Simplify. Include the absolute value symbol if necessary.
A. 2
B. 4
C. 2
D. 2x2
Answer: A
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Factor the polynomial completely.t3 + 512
A. (t + 8)(t2 + 64) B. (t - 512)(t2 - 1) C. (t - 8)(t2 + 8t + 64) D. (t + 8)(t2 - 8t + 64)
Solve the problem.A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of servings that can be prepared in one hour.Cookies: 24 servings per panNumber of pans per oven: 2Pan changes per hour: 5Number of ovens: 3
A. 240 servings B. 144 servings C. 670 servings D. 720 servings
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 2; square matrix B. 1 × 2; none of these C. 2 × 2; square matrix D. 4; square matrix
Find the real solutions of the equation.(x - 4)2 + 3(x - 4) - 18 = 0
A. {-7, 2} B. {-6, 1} C. {-1, 6} D. {-2, 7}