Math question: 5/12 +(5/12+3/4)
what is the answer in it's simplest form. this is a 5th grade math properties of addition?

Divide reduce the answer to lowest term 3/7 divided 1 1/6

Paper plates cost $8 per package and plastic utensils cost $5 per package. your supplier delivers 15 packages for a total cost of $90.

The height of a box can be found by dividing its volume by the area of its base, bottom. what is the height of a box that has a volume of 26.35 cubic centimeter and a base area of 4 1/4 square centimeter?