Help on number 4 pls!!

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.