Gina's collection of ten albums includes one country album Gina will choose two of her albums to play on a road trip (Assume order is not important) a) How many different sets of two albums could she choose? b) How many of these sets would not include the country album? c) How many of them would include the country album? a) Gina can choose from different sets of albums b) There are sets that would not include the country album c) There are sets that would include the country album

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.