Help with my test please

The table respent two linear functions the equation respented by the first tables is given

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Maria has $10,000 to invest in two accounts.he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?