R is 4 if I'm wrong sorry
Answer:
A and C
Step-by-step explanation:
A. sandwiches per hours is 4.5/hour
b. hours per sandwich is 0.33/sandwich
A conservative vector field

has curl

. In this case,

so the vector field is not conservative.
Answer: odd and positive
How to find number of degrees: Count the number of turns and add one. In this case you have 4 curves, so 4+1= 5.
How to find leading coefficient: look at the RIGHT side of the graph, the arrow is going towards positive infinity, thus making the leading coefficient positive.