What is the surface area and volume of this figure?

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

What situation is an example of an observational study