Verify that the equation is an identity.
Mathematics
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Solve the problem.Six people from different occupations were interviewed for a survey, and their annual salaries were as 
and
What is the median annual salary for the six people?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system of equations by elimination.
x + 
y = 
6x + 2y = 86
A. (16, -5) B. (-5, 16) C. (-16, 4) D. (-16, 6)
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.x2 + y2 ? 9x2 + y2 ? 1
A. 
B. no solution
C. 
D. 
Mathematics
Write the vertex form of a parabola that satisfies the conditions given. Assume that a = ±1.Opens downward, vertex (-6, -4)
A. y = (x + 6)2 - 4 B. y = -(x - 6)2 + 4 C. y = -(x + 6)2 - 4 D. y = (x - 6)2 + 4
Mathematics