What is an equivalent expression to m+m+m+m that is a sum of two terms. PLEASE HELP ME FAST

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h