Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 7x
B. 98x
C. 2x2 
D. 7
Answer: A
Mathematics
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Simplify the complex fraction.
A. - 
B. 
C. 
D. - 
Mathematics
Use the addition property of equality to solve the equation.f + 19 = -15
A. -34 B. 4 C. 34 D. -4
Mathematics
Solve the problem.An 8-cylinder Crown Victoria gives 18 miles per gallon in city driving and 21 miles per gallon in highway driving. A 300-mile trip required 15.5 gallons of gasoline. How many whole miles were driven in the city?
A. 132 miles B. 147 miles C. 168 miles D. 153 miles
Mathematics
Factor by grouping.18a3 - 15a2b + 12ab2 - 10b3
A. (18a2 + 2b2)(a - 5b) B. (3a2 + 2b2)(6a - 5b) C. (3a2 + 2b)(6a - 5b) D. (3a2 - 2b2)(6a + 5b)
Mathematics