State whether the following statements are true, false, or uncertain. Give yourreasons. Be precise. a.The stochastic error term uiand the residual term eimean the same thing. b.The PRF gives the value of the dependent variable corresponding to eachvalue of the independent variable. c.A linear regression model means a model linear in the variables.

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Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?