A 30-foot-tall tree casts a 40-foot shadow. If a nearby storage shed is 15 feet tall, what is the length of the shed's shadow in feet?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?