Answer the question.What is the usual first step taken in solving the equation 
by completing the square?
What will be an ideal response?
Divide both sides by 4.
Mathematics
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Solve the system.5x - 7y + 6z = 7-20x + 28y - 24z = -2820x - 28y + 24z = 28
A. Infinitely many solutions B. (-3, 2, 6) C. No solution D. (2, 6, -3)
Mathematics
Use the circle graph to solve the problem.A survey of the 8906 vehicles on the campus of State University yielded the following circle graph.
Find the number of sedans. Round your result to the nearest whole number.
A. 5 B. 445 C. 0 D. 8461
Mathematics
Find the exact value of the composition.tan-1 
A. 
B. - 
C. 
D. - 
Mathematics
Solve the problem.How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 24 B. 256 C. 10,000 D. 9999
Mathematics