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.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?