Mrs. Bradshaw, a teacher at Weston Middle School, writes 4 problems to use on a math exam. She makes different versions of the test by including 3 random problems on each individual test and by mixing up the order of the questions. How many possible versions of the test are there?

idc

step-by-step explanation:

idk

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.