If 20 feet belong to the pigs and 6 feet belong to the chickens, the ratio of the number of pigs to the number of chickens is

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Given the equation    = 5, solve for x and identify if it is an extraneous solution