Pls help math quiz on the line

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

I’m which figure is point g an orthocenter