Determine the validity of the argument.Martians are green.Roger is not green.Therefore Roger is not a Martian.
A. Valid
B. Not valid
Answer: A
Mathematics
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Determine the size of the matrix.
A. 1 × 3 B. 3 × 1 C. 3 D. 1
Mathematics
Find the real roots of the equation by factoring.
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What will be an ideal response?
Mathematics
Solve the problem.A rectangle has a length of x + 2 and a width of x - 2, and has an area of 60 square units. Find the length and width of the rectangle. (A = LW)
A. width = 4 units; length = 15 units B. width = 6 units; length = 10 units C. width = 3 units; length = 20 units D. width = 5 units; length = 12 units
Mathematics
Simplify.(53)5
A. 253 B. 2515 C. 58 D. 515
Mathematics