At a bake sale, a total of 80 cookies were sold. If the ratio of chocolate chip cookies sold to oatmeal cookies sold was 9 : 1, how many chocolate chip cookies were sold?

7,1

Step-by-step explanation:

80 divided by 9 times 8 i think

what is all that apply?

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!