Carlos bought a pail for $11.87, a broom for $9.95, and a new mop for $18.50. About how much did Carlos spend? (Give your answer
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For a given function, slope is defined as the change in outputs, or y-values divided by the change in inputs, or x-values. In essence the slope asks "For a given change in x, how much does y change?" or even more simply: "How steep is the graph of this function?". This can be represented mathematically by the formula: 
Substituting our known vlaues we have:
Substituting our known vlaues we have:
