Find the indicated side of the
triangle.
D
450
a = [?]

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.

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

How do i do this? i don’t understand