Answer:
Its option B -4
Step-by-step explanation:
2.25h(60m/hr)(1/3)=45m
So Rick spends 45 minutes studying math per night.
It should be D, I did the math :)
Lim as x approches 0 of (e^(5x) - 1 - 5x)/x^2 = lim as x approaches 0 of (5e^(5x) - 5)/2x = lim as x approaches 0 of 25e^(5x)/2 = 25/2 = 12.5