Answer:
letter d or b
srry if wrong hope thiss helped
25 because you do 19 squared plus 16 squared equals 617, you do 617 rooted. It’s called pythagorus.
Cancel out the terms from one side first then do it for the other one. 4 example make x and individual by multiply the other side by 9 the evaluate. do the same for y
Use photomath it will help you out fr
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