Find the unknown length in the right triangle. Simplify the answer if necessary.
A. 11
B. 13
C. 9
D. 
Answer: B
Mathematics
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Solve the problem.Melissa invested a sum of money at 3% annual interest. She invested three times that sum at 5% annual interest. If her total yearly interest from both investments was $5400, how much was invested at 3%?
A. $30,000 B. $67,500 C. $22,500 D. $202,500
Mathematics
Express the vector in the form ai + bj.
if P1 is the point (4, -2) and P2 is the point (6, -5)
A. v = -2i + 3j B. v = 2i - 3j C. v = -2i - 3j D. v = -i + 3j
Mathematics
Solve the equation.5x = 625
A. {3} B. {4} C. {125} D. {5}
Mathematics
Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
Mathematics