Solve the problem by solving a system of equations graphically.The sum of twice a number and another number is 14. The difference between twice the number and the other number is 2. Find the numbers.
A. 4, 6
B. 5, 7
C. 3, 4
D. 5, 6
Answer: A
Mathematics
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= 
,evaluate 
A. 
B. 
C. 
D. 
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Prove the identity.tan(x + y) + tan(x - y) = 
What will be an ideal response?
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Combine like terms when possible. -6b + 3b
A. 3b B. -3b2 C. -3b D. Cannot be simplified
Mathematics
Add.3.73 + 0.87
A. 4.68 B. 2.86 C. 4.6 D. 4.52
Mathematics