Rationalize the denominator and simplify.
A. 11
B. 
C. 1
D. 11
Answer: B
Mathematics
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Add. Write a mixed numeral for the answer.
A. 10
B. 10
C. 10
D. 10
Mathematics
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 4
C. 4
D. 
Mathematics
Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? -6
B. x - 6, x ? 6
C. x + 6, x ? 6
D. 
, x ? 6
Mathematics
Find the center and radius of the circle and sketch its graph.(x + 2)2 + (y - 1)2 = 4
A. (h, k) = (2, -1), r = 2
B. (h, k) = (-2, 1), r = 2
C. (h, k) = (2, 1), r = 2
D. (h, k) = (-2, -1), r = 2
Mathematics