Which of the following is not a combination? a. The top four winners of a pageant

b. Randomly selecting 3 problems to grade from a 10 problem worksheet

C. Building a 5-person committee from a 30-person pool

d. 4 people winning the same raffle prizes

step-by-step explanation:

i = 2 / - 5

step-by-step explanation:

evaluation of ( 2 - 4 ) ( p + q ) when p = 2 and q = 5 i, by putting values of p and q,                                                                    

mx+89b(-98)nb

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.