Find all minors of the matrix.
?

?
A.
B.
C.
D.
E.
Answer: D
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At what points is the given function continuous?f(x, y, z) =
A. All (x, y, z) such that x ? 0 and y + z ? 0 B. All (x, y, z) in the first octant C. All (x, y, z) such that x - y - z ? 0 D. All (x, y, z)
Solve.A rectangular metal sheet has an area of 70 square centimeters. Four squares with sides 2 cm are cut from the corners of the sheet, and the edges are bent upward to form an open box with a volume of 18 cubic centimeters. Find the dimensions of the box.
A. Length = 6 cm; width = 3 cm; height = 2 cm B. Length = 6 cm; width = 2 cm; height = 3 cm C. Length = 8 cm; width = 5 cm; height = 2 cm D. Length = 10 cm; width = 7 cm; height = 2 cm
A club consists of 16 men and 17 women. In how many ways can they choose a president, vice president, treasurer, and secretary, along with an advisory committee of six people? ?
A. 596,387,610,000 B. 1,022,862,306,928 C. 563,336,193,420 D. 498,094,571,520 E. 466,507,641,600
Simplify the absolute value expression.-|-6|
A. 0 B. 6 C. -6 D. 12