Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the distance formula to find the distance between the points.(2, 3), (-2, -2)
A. 
B. 20
C. 
D. -1
Mathematics
Find the area of the specified region.Shared by the cardioids r = 3(1 + sin ?) and r = 3(1 - sin ?)
A. 
(3? + 8)
B. 
(5? + 8)
C. 
(3? - 8)
D. 169
Mathematics
Find the domain and graph the function.g(x) = -9 + 3x - x2
A. D: (-?, ?)
B. D: (-?, ?)
C. D: (-?, ?)
D. D: (-?, - 
]
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(15b)0
A. b B. 15 C. 0 D. 1
Mathematics