I RLY NEED HELP BADLY

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.

For the equations below which statement is true ?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7