How many litres of pure antifreeze should be added to 5 litres of 30% antifreeze solution to create a 65% antifreeze solution?

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

Are the corresponding angles congruent? explain why or why not.

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250