7th grade math please help

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

a. is correct

c) yes, because of asa or aas

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x