Solve the inequality.x4 - 5x2 - 36 > 0
A. (-3, 3)
B. (-3, -2) or (2, 3)
C. (-?, -3) or (3, ?)
D. (-?, -3) or (-2, 2) or (3, ?)
Answer: C
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State whether the fractions are equal or not equal.
, 
A. Equal B. Not equal
Solve the problem. Write all linear equations in slope-intercept form.Suppose that a sales person observes that if an item is priced at $10 per item then 4 items are sold. If 2 items are sold for $12 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line.
A. y = -x + 14 B. y = -x - 6 C. y = x - 6 D. y = x + 14
Use an associative property to write an equivalent expression.(m ? 7) ? 2
A. (m ? 2) ? 7 B. 2(7m) C. (7m) ? 2 D. m14
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.A salesman sold $150 more than the rest of the sales staff. If the sales total for the day was $1100, how much did the rest of the sales staff sell?
A. $475 B. $950 C. $550 D. $625