Azookeeper predicted the weight of a new baby elephant to be 250 pounds when it was born. the elephant actually weighed 282 pounds at birth. what was the percent error of the zookeeper's prediction?

Right ∆abc has coordinates a(-7, 3), b( -7, 10), and c(-1, 3). the triangle is reflected over the x - axis and then reflected again over the y - axis to create ∆a'b'c'. which are the coordinates of vertex a'?