Azookeeper predicted the weight of a new baby elephant to be 267 pounds when it was born. the elephant actually weighed 299 pounds at birth. what was the percent error of the zookeeper prediction.

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

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