I need some help with this > The sum of 1/2 and 2/3 is?

Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.