Whats the answer for this question i don't really understand it ? ?

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.

Evaluate the expression. (9 + 5)(3 + 2)0

Given that abcd is a rhombus, what is the value of x?