Solve.Erika spent 
hr on her computer visiting the History Channel and the Discovery Channel websites. She spent 
hr at the History Channel website. How many hours did she spend at the Discovery Channel website?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: D
Mathematics
You might also like to view...
Solve the inequality and write the solution set in interval notation.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics
Graph the system of inequalities.y ? x2x + y > 5
A. 
B. 
C. 
D. 
Mathematics
Use the rational zeros theorem to completely factor the given polynomial P(x).P(x) = 5x4 + 7x3 - 13x2 - 21x - 6
A. (5x - 2)(x + 1)(x - 
)(x + 
)
B. (5x + 2)(x - 1)(x - 
)(x + 
)
C. (5x - 1)(x + 2)(x - 
)(x + 
)
D. (5x + 2)(x + 1)(x - 
)(x + 
)
Mathematics