What is the midpoint of the sigment joining (-1,-5)and (7,1) ​

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )