Ellen bought 3 greeting cards for $3 each. she also bought a pen for $2. which equation shows how ellen can correctly find the total amount she spent?

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

What is the simplified form of square root of 400 to the 100th power ?