Solve the problem.A collection of dimes is arranged in a triangular array with 17 coins in the base row, 16 in the next, 15 in the next, and so on with 1 dime in the last row. Find the value of the collection.
A. $7.65
B. $30.60
C. $1.53
D. $15.30
Answer: D
Mathematics
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Decompose into partial fractions.
A. 2x - 9 + 
- 
B. 2x - 9 - 
+ 
C. 2x + 5 - 
+ 
D. 2x + 9 - 
+ 
Mathematics
Evaluate the double integral.
A. 192 B. 24 C. 6 D. 768
Mathematics
Find the simplified form for f(x) and list all restrictions on the domain.f(x) = 5 + 
- 
A. f(x) = 
, x ? -6, 6
B. f(x) = 
, x ? 6
C. f(x) = 
, x ? -6
D. f(x) = 
, x ? -6, 6
Mathematics
Solve the problem.Two student representatives, a treasurer and a secretary, are to be chosen from a group of five students: Andrew, Brenda, Chad, Dorothy, and Eric. In how many different ways can the representatives be chosen if the two must not be the same sex?
A. 6 B. 10 C. 3 D. 12
Mathematics