Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Part of $6,000 is invested at 9%, another part at 11%, and the remainder at 12% yearly interest. The total yearly income from the three investments is $650. The sum of the amounts invested at 9% and 11% equals the amount invested at 12%. How much is invested at each rate?
A. $2,000 at 9%, $1,000 at 11%, and $3,000 at 12% B. $1,500 at 9%, $0 at 11%, and $3,500 at 12% C. $3,000 at 9%, $0 at 11%, and $3,000 at 12% D. $1,500 at 9%, $1,000 at 11%, and $3,500 at 12% E. $2,500 at 9%, $2,000 at 11%, and $2,000 at 12%
Mathematics
Graph the function.y = 
cot x
A. 
B. 
C. 
D. 
Mathematics
Graph the equation by completing the table of values.y = 5x2
A. 
B. 
C. 
D. 
Mathematics
Solve the equation for y.y2 + 9x - y = 0
A. y = 
B. y = 
C. y = 
D. y = 
Mathematics