Rectangle PQRS is dilated about the origin to make rectangle P'Q'R'S' as shown. What is the

algebraic representation for this transformation?

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

The parabola opens: y=√x-4 (principal square root) up down right left

Aline that intersects one of two parallel lines intersects the other also always sometimes never