13m = 3 someone help me!

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Which system of linear inequalities is represented by the graph?

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.