Answer:
-7
Step-by-step explanation:
5+-7
Assuming this is around the origin:
To find the rotation by 90 degrees, it would be (y, -x) (Assuming that the x and y are both variables and number figures)
So therefore, (5, 2) would become (2, -5).
I hope this helped! :)
It’s 8 because in a diameter there are 2 parts so you divided 16 by 2 and u will get 8 and when u add 8 and 8 u get 16.
Answer:
<h2>

</h2>
Step-by-step explanation:

Remove unnecessary parentheses

When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression

Collect like terms


Add the numbers

Use the commutative property to reorder the terms

Hope this helps...
Best regards!!