The coordinates of A are (1,1) and the coordinates of B are (-5,-1)what are the coordinates for the midpoint of line segment AB?

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.