When a sample has an even number of observations, the median is the Group of answer choices

observation in the center of the data array

average of the two observations in the center of the data array

value of the most frequent observation

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Which is f(5) for the function –2x2 + 2x - 3?