Can someone plz help I’m really confused on what to do! Name each polynomial by the number of terms and the degree.
1. 2x3 - 2x2
2. 2x 3 - 3x2 + x - 4
3. 6x + 5x 4 + 6
4. 6
5. X-1
6. 4² – 2x² – 2

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?