A zookeeper predicted the weight of a new baby elephant to be 252 pounds when it was born. The elephant actually weighed
284 pounds at birth. What was the percent error of the Zookeeper's prediction?

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles