Answer: the units digit has to be a 1 digit number not 2
Step-by-step explanation:
Answer should be 3 I’m pretty sure
Answer:
I nk a ......................
I will take you the steps to obtain the slopes passing two points
step 1 : list the parameters

step 2: Apply the equation to obtain the slope between two points
9x^2-42x+49... Sorry if I'm too late!