How can we tell the difference between a common multiple problem and a common factor problem?

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?

Simplify the expression 10/11(22z) + (a+5) -1

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box. m∠b=