Can any one help me with this?

Option 1: $30 an hour plus a nonrefundable deposit of $50 option 2: $20 an hour plus a nonrefundable deposit of $75 kyle is renting a jetski for the day. if he can rent the jetski in one hour increments, what is the minimum number of hours must he rent the jetski for option 2 to be a better deal then option 1?

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

In the diagram of circle o, what is the measure of zabc?