What is the midpoint of the line segment with endpoints (3.2, 2.5) and (1.6, -4.5)?

A. (4.8, -2)

B. (2.4, -2)

C. (4.8, -1)

D. (2.4, -1)

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Need solving this second acceleration problem.

What is the missing step in this proof ?