In a study, the sample is chosen by asking our 40 closest friends What is the sampling method?

40 friedns is the answer is the method is the samlping t he method is the 4 0 firends is the sampling answer is the method.

Step-by-step explanation:

This is the correct answer

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!

answerthe vertex form

step-by-step explanation: