Answer:
-7, 7
Step-by-step explanation:
Opposites are basically two numbers that are at different sides of the number line. For example, -2 and 2 are opposites because they are the same distance away from 0 on a number line making them opposites. To make an opposite just take a positive number, and then add a negative to it. (8, -8)
Answer: 900
Step-by-step explanation:
The blank is equal to 3/14
Answer:

Step-by-step explanation:
We need to rationalize the denominator of
. For rationalizing we multiply the equation by 
So, solving

I am not 100% certain but i believe it goes as follows:
4 ( 1 + d ) + ( 3 + e)
4d + 12e