Answer:
978 in
Step-by-step explanation:
(9x6)+(18x18)+(25x24)=978
Both are irrational. i hope this helps!
Answer: y=−10
Step-by-step explanation: GIVE ME BRAINLIEST HOPE THAT HELPED
Answer:
The length of the diagonal of a poster board is 
Step-by-step explanation:
Let
x----> the length of the diagonal of a poster board
we know that
Applying the Pythagoras Theorem

(x-9) (x+2)=x²+2x-9x-18=x²-7x-18