Solve the problem.Johnny must pay a 5% fee if he changes his airline ticket. Estimate the amount of the fee if the ticket he plans to change cost $439.87.
A. $2200.00
B. $220.00
C. $22.00
D. $8800.00
Answer: C
Mathematics
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Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.
x = 3x - 7.1
A. 1.5 B. -5.6 C. -1.5 D. 5.6
Mathematics
Answer the question.If x represents a positive integer, how would you express its negative?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Tell whether the graph of the function opens up or down.P(x) = (x + 1)2 + 2
A. down B. up
Mathematics
Simplify the exponential expression.-4-3
A. - 
B. 
C. 64
D. -64
Mathematics