Ineed ! anyone who can me gets 15 points : ) this is the math problem and i need to expand it and it is special binomial but i don't know how to do it: (5−3r)(5−3r)=

This is a square binomials.

In fact (5-3r)(5-3r) = (5-3r)^2

To sole it you have to do:

5^2 -2(5*-3r) + 9r^2

25 - 30r + 9r^2

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for