15 points to answer these two questions?

1) how can graphing methods be used to solge a system of linear equations and how can you determine the equations of the two lines by analyzing the graph?

2) solve this system of equations and explain what method you used to find your solution.
8x-y=-9
4x-3y=-22

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1