Rome's government was all of the following except a monarchy

an empire

an oligarchy

a republic

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles