
<h3>hope it helps you if it does please mark me as brainliest :-)</h3>
Answer:
Below.
Step-by-step explanation:
(Please brainiest if helped)
x,y=-16/5,6.
The answer should be 6! all you have to do is plug the numbers into the equation!
it would be like this:
-1^2+3^2+(-1)-3
doing all of that would equal 6!
Answer is 47.25
BRAINLIST?

The square root of 729 is in fact 27, as it is a perfect square, but this is not well known, so we can figure it out like this:
What goes into 729 that are perfect squares? 81 and 9:

Take the square root of 81 (9) and the square root of 9 (3). Move these to the outside of the square root (they will multiply with 3 since 3 is multiplied to the square root in the original problem)

Now, just multiply: