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 30 days?
A. $4.65
B. $9.30
C. $2.33
D. $0.30
Answer: A
Mathematics
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Solve the problem by integration.Find the area bounded by 
y = 0, x = 2, and x = 4. Round to the nearest hundredth.
A. 0.34 B. 4.47 C. 5.62 D. 0.43
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Answer the question or complete the sentence to make a true statement.The sum of a negative number and 0 will always be a number.
A. Positive B. Negative
Mathematics
Use these sets to find the following. Identify any disjoint sets.Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {3, 5, 7, 9}, 
and 
Q' ? (N' ? U)
A. {4, 5, 6, 7, 8, 9} B. {4, 6, 8, 10, 12} C. ?; Q' and (N' ? U) are disjoint sets. D. {3, 5, 7, 9, 11, 13}
Mathematics