Which of the following number sentences is an example of the commutative property? Select all that apply. A. 14.7 + 2.8 = 2.8 + 14.7
B. 1.9 × 1 = 1 × 1.9
C. 4.5 × 5.5 = 12.375 × 2
D. 2.5 × (3.4 × 1.4) = (2.5 × 3.4) × 1.4

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?