Please help me

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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?

Sofia wants to buy a new bike that costs $214 sofia her grandmother with chores each week for $18 estimate to find which layaway plan sofia shoud choose and why