Evaluate the determinant.

A. -293
B. 288
C. 283
D. -288


Answer: D

Mathematics

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?Which of the following does not represent a valid approach to solving the following problem: Find 9% of 60. ?

A.

?0.09 × 60 = ____ (solve by multiplying)


B.

? × 60 = ____  (solve by multiplying)


C.

? (solve for x by cross-multiplying)


D.

?0.9 × 60 = ___  (solve by multiplying)


E.

?I.  0.01 × 60 = 0.6,  II.  0.6 × 9 = 5.4


Mathematics

For the compound inequality, give the solution set in both interval and graph forms. 9x + 3 ? -6 or 9x + 3 ? 30

A. (-?, 3]
 
B. (-?, -1] ? [3, ?)
 
C. [-1, 3]
 
D. [-1, ?)
 

Mathematics

Solve the problem.Find the value of a retirement savings account paying an APR of 6.6% (compounded monthly) after 40 years of monthly contributions (contributions made at the end of each month, including the last month) when the monthly contribution is $170. Round your answer to the nearest cent.

A. $428,359.87 B. $367,541.45 C. $371,712.72 D. $410,337.81 E. $399,104.52

Mathematics

Provide an appropriate response.The Base is the total or original amount.

A. True B. False

Mathematics