Shelley spends 12 hours helping with school events. Peter spends 6 times as many hours helping as Shelley. Which equation and solution represent the number of hours Peter helps? 4) 6 x 12 = h; h = 84 6 + h = 12; h = 6 Shelley 12 Peter 12 12 12 12 12 12 6 x 12 = h; h = 72 h 12 +6 h; h = 18 Dope

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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.