I need to know this please I have a 40% in this class and I have no clue what I’m doing!!!

Can someone pls ! pls answer all. no explanation needed..

The function show two sisters' savings account and the rate at which they plan to deposit money

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]