G Write a function called Add that is given two fractions objects. It should add the two fractions and return a fraction object with the result. Remember how to add fractions: - if the denominators are the same: just add the numerators and use the common denominator. - if not: n1/d1 n2/d2

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Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?