Answer:
130
Step-by-step explanation:
325/2.5=130
By applying Pythagoras theorem
Answer is √[109] inch
x=3/5
x^2+4x=5
x+4x=5x
5x+2=5
-2 -2
5x=3
divide 5 from each side
5/5x=3/5
<u>x=3/5</u>
7
12-7=5
or
5+7=12