If a/b=5/3 then 3a = .

15

Step-by-step explanation:

If a/b is equal to 5/3 then a= 5 and b= 3

3a is equal to 3 times a which is equal to 3*5

3 times 5 is 15 so 3a=15

c: lkllmn.

hope it's you

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)