At a local college, 430 of the male students are smokers and 570 are non-smokers. Of the female students, 99 are smokers and 891 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are non-smokers?

idek

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

i'm not really sure how to answer that

step-by-step explanation: