Answer:
yes, it is
Step-by-step explanation:
plug in the point (1, -1) (x,y) into the equation y = 9x - 10
-1 = 9(1)-10
-1 = 9-10
-1=-1
r≈23.4cm
8/10
add the numerator but keep the denominators the same
you could also simplify to 4/5