Express the sum using summation notation.3 + 12 + 27 + . . . + 75
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Given matrix A, find the indicated cofactor.Find A21.A = 
A. -11 B. 11 C. 2 D. -2
Mathematics
Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.The weight of the child is 5 kilos while the weight of her father is 96.2 kilos. 96.2 kilos is what percent of 5 kilos?
A. 1924.0 B. 0.5 C. 19,240.0 D. 5.2
Mathematics
Determine which of the numbers are perfect squares.169, 164, 121, 250
A. 169, 121 B. 169, 164, 250 C. 169, 164, 121 D. 164, 121, 250
Mathematics
Solve.For f(x) = x2 + 4, find all x-values for which f(x) > 148.
A. (-?, -12) ? (12, ?) or {x|x < -12 or x > 12} B. (74, ?) or {x|x > 74} C. (-?, -11) ? (11, ?) or {x|x < -11 or x > 11} D. (12, ?) or {x|x > 12}
Mathematics