Solve the problem.Two friends live 34.5 mi apart. They cycled from their homes, riding toward one another and meeting 
hr later. If one friend cycled 1 mph faster than the other, what were their two rates?
A. 12 mph and 13 mph
B. 9 mph and 10 mph
C. 11 mph and 12 mph
D. 10 mph and 11 mph
Answer: C
Mathematics
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Simplify.52 + 42
A. 81 B. 18 C. 36 D. 41
Mathematics
Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.
A. 12
B. 
C. 
D. 61
Mathematics
Solve the equation by the square root property.6x2 = 24
A. {0}
B. {-2
, 2
}
C. {-6, 6}
D. {-2, 2}
Mathematics
Find the focus and the directrix of the parabola.x2 + 8x - 4y + 36 = 0
A. Focus: (-4, 6), directrix: y = 
B. Focus: (-4, 9); directrix: y = -1
C. Focus: (-4, 4); directrix: y = 6
D. Focus: (-4, 6); directrix: y = 4
Mathematics