Please explain your answer. Solve 0 = (3x - 4) / 5

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start