Find y'' by implicit differentiation. 3x3 + 4y3 = 1

Use the distance formula to determine the distance that point q is from r on the hypotenusebased on a 2-3 ratio. i need asap !

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)