2x^2+11x-15 Is the answer to 7
Step-by-step explanation:
It is irrational because it does not repeat a pattern nor does it stop.
Answer:
x = -9/2
Step-by-step explanation:
1. Divide 9 by -1/3:
÷
=
· 
= -27
2. Divide both sides by 2:
2(x - 9) = -27

(x - 9) = 
3. Add 9 to both sides:
x = 
(or 4.5 if you need it in decimal form)
hope this helps!
all you have to do is add up all the sides and your answer will be 21 cm
The biggest number is 2.4 because if you take 1/2 that's have