While preparing to visit the united states, greg exchanged 200 canadian dollars for 1/5 fewer u. s dollars. after spending 3/4 of the u. s dollars, how many did he have left $150 $40 $120 $60

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial