Multiply the conjugates. Assume all variables have nonnegative values.(
+ y)(
- y)
A. x - 2y
B. x + 2y
C. 5x - y2
D. 6x
Answer: C
Mathematics
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Solve.Let f(x) = 
. Show that f-1(x) = -7x - 5
What will be an ideal response?
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Solve.The distance from Ivy's house to the park is 
of a mile. Ivy leaves her house with her dog and walks 
of a mile toward the park. How much farther does she have to walk her dog to get to the park?
A. 
of a mile
B. 
of a mile
C. 
of a mile
D. 
of a mile
Mathematics
Solve the equations containing absolute value. 
= -6
A. ? B. {0, 12} C. {0} D. {0, -12}
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Estimate by using front-end rounding. 
A. 12,950 B. 13,740 C. 13,730 D. 13,731
Mathematics