Please please help! Its due soon I need side b, using tangent

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

If twice a number is at least three less than four times the number, which of the following are true? let n represent the number.