<u>Answer:</u>
None
<u>Explanation:</u>
-3(2+7) = -3×9 = -27
-6+21 = 15
-21+6 = -15
Hence there is no equivalence
Answer:
18 pizzas
Step-by-step explanation:
6*10 = 60
Therefore, 3*6 = 18.
so its 18 pizzas. Sorry if I'm wrong.
Answer:
the answer is the first one [3 -12 15 -21]
Step-by-step explanation:
Because 3 times 1 = 3, 3 times -4 = -12, 3 times 5=15, 3 times 7 = -21
because they are in order to get a negative one of them have to be a negative if they both of them where negative it would be positive.
Can you mark me brainliest
We'll use the notation
for the principal value and
for all the values:

Part I


Part II. In our range we can write


Part III.

Part IV.


I would have to say false because they do not have the same perimeter and area