in algebra class with 30 students kids were put in groups of 4 if 2 students were left over how many groups of 4 students will there be

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

What is the value of x in the following equation? -3x-2=2x+8

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)