Find the root(s) for the given rational function. f(x)= 2x+4/x^2-16

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Answer asap! due in 30 minutes! ! 8th grade math

Amovie theater owner determined that about 2 out of every 5 customers purchases popcorn. which simulation could be used to answer questions about customers purchasing popcorn?