Write an addition expression to describe each situation. then find each sum. 1) a hawk is in a tree 100 feet above the ground. it flies down to the ground.

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?