Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The formula for finding the volume of a square pyramid is V = 
s2h, where the s is the side of the base and h is the height. Determine the volume of a 47 cm high pyramid with sides of length 33.45 cm.
A. 17,530 cubic cm B. 20,000 cubic cm C. 18,000 cubic cm D. 25,000 cubic cm
Write the compound statement in words.Let p: Her name is Lisa. q: She lives in Chicago.~p
A. It is true her name is Lisa. B. She does not live in Chicago. C. Her name is not Lisa. D. Her name is Lisa.
Solve the equation by factoring.5x(4x + 20) = 0
A. {0, 5}
B. {0, -5 , 5}
C. {0, -5}
D. 
Determine the real solutions to the system of nonlinear equations.y = x2 - 5x + 3y = -x2 + 3x - 3
A. (3, -3), (0, 3) B. (3, -3), (1, -1) C. (-3, 27), (0, 3) D. (-3, 27), (-1, 9)