Solve the problem.How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if the first digit cannot be 0? Repeated digits are allowed.
A. 6,561
B. 3,024
C. 6,480
D. 9,000
Answer: D
Mathematics
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Decide whether or not the given equation is an identity.
= 
A. Yes B. No
Mathematics
Solve the problem.Suppose you want to buy a car. The dealer offers a financing package consisting of a 4.8% APR compounded monthly for a term of five years. Suppose that you want your monthly payments to be at most $600. What is the maximum amount that you should finance? Round your answer to the nearest dollar.
A. $32,000 B. $31,500 C. $31,949 D. $33,281 E. $32,216
Mathematics
Solve the equation.x + 2 = -18
A. {-16} B. {16} C. {20} D. {-20}
Mathematics
A linear programming feasible region is determined by
Which of the following objective functions has its maximum value at the intersection of 
and 
?
A. 
B. 
C. 
D. 
Mathematics