50 POINTS !!

PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Which ordered pair is a solution of the equation? 2x+3y=10