Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 
D. 3x
Answer: A
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Provide the appropriate response.List all primes between 100 and 200.
A. 101, 103, 107, 113, 127, 131, 137, 151, 157, 163, 167, 173, 179, 181, 191, 197 B. 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199 C. 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 153, 157, 163, 165, 167, 173, 179, 181, 191, 197, 199 D. 101, 107, 109, 127, 131, 137, 139, 149, 151, 157, 167, 179, 181, 191, 193, 197, 199
Solve.Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 120 foreign coins. Find how many coins Mary has.
A. 84 coins B. 90 coins C. 30 coins D. 18 coins
Evaluate the algebraic expression for the given values of the variables.x - y + z for x = 24, y = 9, and z = 5
A. 10 B. 21 C. 38 D. 20
Find the y-intercept and any x-intercepts.y = x2 - 2x - 15
A. y-intercept (0, -15), x-intercepts (-5, 0) and (3, 0) B. y-intercept (-15, 0), x-intercepts (0, 5) and (0, -3) C. y-intercept (0, -15), x-intercepts (5, 0) and (-3, 0) D. y-intercept (0, 15), x-intercepts (5, 0) and (-3, 0)