Pls what’s the answer

Two parallel lines are crossed by a transversal.what is value of x

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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?