Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
A. y2
B. - y1/2
C. y1/2
D. - y2
Answer: A
Mathematics
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Provide an appropriate response.If set A is equivalent to the set of odd natural numbers, then n(A) = ?0.
A. True B. False
Mathematics
Evaluate the expression.
A. 
B. 16
C. 4
D. 
Mathematics
State the dimensions of the matrix.
A. 5 × 5 B. 2 × 2 C. 4 D. 5
Mathematics
Solve. Write a mixed numeral for the answer.A laminated lab bench has 1
inches of plywood, 2
inches of pressed board, and 
inch of formica. What is the thickness of the lab bench?
A. 4
in.
B. 1
in.
C. 
in.
D. 
in.
Mathematics