Glen received 6 birthday cards. if he is equally likely to read the cards in any order, what is the probability he reads the card from his parents and the card from his sister before the other cards?

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.

kekdkdkccc

so

step-by-step explanation:

kekdkckcldlx

wow ok so the answer is 1k or just k

because of combining like terms xd