2x^3+7x^2+12x-8 is the answer
105/7=15
so you will have to read 15 pages per day
Medida do angulo central = medida do arco interceptado
arco = 25º e ângulo central = 25º
Given,
Rate of free fall = 216 km/h
Solution,
km/h to m/s is converted as follows :

So, the rate of fall is 60 m/s.
If t = 20 s
Assume, initial velocity = 0
It will move under the action of gravity.
Using equation of motion,

Hence, this is all for the solution.
The answer is A if I am correct