Asap pleas Name a point that lies only on the y-axis?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay