A) What is the name of the line marked a? c)
cis
b) What is the name of the line marked b?
d)
di
c) What is the name of the line marked c?
d) What is the name of the line marked d?
b
с
a
d

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

For how answer my question this will be the last question can you answer in math subject