Vinny deposited $1400 in an account for three years at 9 percent interest how much money did he earn? Please help I will give 5 stars to first answer has to be correct!

Which system of linear inequalities is represented by the graph? !

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of