Raymond, Sincere, Malachi, and Kayla are working together. They need to find the slope of the line passing through (7, 3) and (5, 9). Each person wants to solve the problem differently. PLEASE HELP Here is how Kayla want to solve the problem 9/-3 5/-7

Here is what Malachi wants to do 3/-9 7/-5

Sincere wants to do 3/-9 5/-7

Here is how raymond wants to solve the problem 9/-3 7/-5

Who is correct? Explain