Simplify expression
-9b-4+4+9b

0

Explanation:

−9b − 4 + 4 + 9b

= −9b + −4 + 4 + 9b

Combine Like Terms

= −9b + −4 + 4 + 9b

= (−9b + 9b) + (−4 + 4)

= 0

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.

only 10/60 isn't equivalent

hope this : )