Pls help me this is important to me

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?

3x + 4y = 5 x- 3y = -7 solve by substitution

What’s the volume of the triangular prism?