Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 40 days?
A. $16.40
B. $0.40
C. $8.20
D. $4.10
Answer: C
Mathematics
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Perform the indicated division and find a simplified expression.The average velocity of a certain particle in feet per second is given by 
A. 2t2 - 4t + 3 + 
B. 2t2 - 3t - 4
C. 2t2 + 3t - 4
D. 2t2 + 3t - 5 + 
Mathematics
Determine whether the graph is the graph of a function.
A. Yes B. No
Mathematics
Find the requested ratio in decimal notation rounded to the nearest thousandth.At the opening night of a theater production, there are 122 women and 460 men in the audience. For this set of people, what is the ratio of women to men?
A. 0.21 B. 0.79 C. 0.265 D. 0.008
Mathematics
Simplify the exponential expression.
A. xy3 B. x7y3 C. x7y2 D. x8y3
Mathematics