Use = or ? for ? to write a true sentence. ? 

A. =
B. ?


Answer: A

Mathematics

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Answer the given question.Where are all points whose coordinates have the same sign?

A. In first or second quadrant B. In third or fourth quadrant C. In second or fourth quadrant D. In first or third quadrant

Mathematics

According to the Empirical Rule, approximately __________ percent of data should fall within one standard deviation of the mean average for the data if the distribution is normal.

A. 95.5 B. 68.2 C. 99.7 D. it varies

Mathematics

Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $14,000 when the dealer opened five years ago and $55,000 this year. Let x = 0 represent the year the dealer opened. Find the equation giving yearly sales y.

A. y = 41,000x + 14,000 B. y = 41,000x + 55,000 C. y = 8200x + 55,000 D. y = 8200x + 14,000

Mathematics

Simplify. + 

A. x2 + x + 
B. - x6 + 
C. - x2 + x + 
D. - x4 + x2 + 

Mathematics