What is the measure of <x? Angles are not necessarily drawn to scale

Which system of linear inequalities is represented by the graph? !

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?