Liz brought chocolate and vanilla cupcakes to school for her birthday. 18 students picked a vanilla cupcake and 42 students picked a chocolate cupcake. What percentage of the students picked a vanilla cupcake?

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.

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.