Asum of 7 4/6 plus 4 3/6 as a mixed number

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

State one method by which you can recognize a perfect square trinomial.

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.