Answer:
4320
Step-by-step explanation:
60 min = 1hr
24hrs = 1day
so 60 x 24 x the rate (3) = 4320
C
(D) y³ - 8y² +8y +5
y³ - 6y²+ 5y - (2y²- 3y - 5 ) = y³ - 6y² + 5y - 2y² + 3y +5 = y³ - 8y² +8y +5