What is the volume of
5 2/3 (3.6)?

A. 20 2/5
B. 2 1/15
C. -20 2/5
D. -2 1/15
Plz help ty

Which equation represents the partial sum of the geometric series?

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

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.