Pls help i only need this question

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

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?