What is the multiple zero and multiplicity of x^3+2x^2+x

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

In the 30-60-90 triangle below side s has a length of and side r has a length

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25