Evaluating expressions practice 3-8

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling