Solve the problem.Write an expression in simplest form for the area of the shape.
A. 15c2
B. 18c2
C. 8c2
D. 30c2
Answer: A
Mathematics
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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair. 5x + y = 27 6x + 2y = 30
A. (6, -6) B. (-3, 6) C. (6, -3) D. (-3, -6)
Mathematics
A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-7, 8) Find cot ?.
A. - 
B. 
C. - 
D. - 
Mathematics
Provide an appropriate response.Describe two advantages of the substitution method over the graphing method for solving systems of equations.
What will be an ideal response?
Mathematics
Solve the equation for x.
= -9
A. {2} B. {-9} C. {7} D. ?
Mathematics