2a+b4.....................
(a)

(b)we have 4 terms in this expression.
(c)+12 is the leading coefficient in

(d) constant is -45
Answer:
π
Step-by-step explanation:
Any other irrational number, actually, so √2 would also do the trick.
Answer:
5 laps per day
Step-by-step explanation:
30 laps divided by 6 days gives you 5 laps per day.
The method of changing a degree to a radian is to multiply with 1/180