Solve the problem.A man earned $2500 the first year he worked. If he received a raise of $400 at the end of each year, what was his salary during the 15th year?
A. $8100
B. $5600
C. $8500
D. None of these
Answer: A
Mathematics
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State the solution set to the inequality by reading the graph.x4 - 10x2 + 9 < 0y = x4 - 10x2 + 9
A. (-3, -1) ? (1, 3) B. (-?, -3) ? (3, ?) C. (-?, -3) ? (-1, 1) ? (3, ?) D. (-?, -3) ? (-1, 0)
Mathematics
Translate the sentence to an algebraic inequality.The height of a member of the basketball team is at least 80 inches.
A. x < 80 B. x ? 80 C. x ? 80 D. x > 80
Mathematics
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.x2 + y - 9 = 0
A. x-axis B. origin C. y-axis D. x-axis, y-axis, origin E. none
Mathematics
Perform the indicated operations.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics