1)
The radius of a circle is 9. Using π, which equation expresses the ratio of the circumference of the circle to the circle's diameter?
A)
C
9
= π
B)
C
18
= π
C) C =
9π
r
D) C =
r
18π

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x