Answer:
3rd and 4th option
Step-by-step explanation:
-1 times -1 is 1 and multiply that by another -1 and you get -1
-1 times -1 is 1 and you do that twice in the last option so that would be 1 and then multiply that by-1 and you get -1.
Answer:
42
Step-by-step explanation:
Set the numbers in order from least to greatest, then find the one in the middle, which will be the median.
19, 23, 42, 56, 67
42 is in the middle, so it is the median.
Answer:
12x^2y^5
Step-by-step explanation:
She is totally a bad writer