I need help please :(​

3) x=60

6)x=86

9) x=40

Step-by-step explanation:

3) 60+60+x=180

120+x=180

X=180-120

x=60

6) 18+(x-8)+(x-2)=180

18-8-2+x+x=180

8+2x=180

2x=180-8

2x=172

x=172/2

x= 86

9) (2x+5)+60+(x-5)=180

2x+x+5+60-5=180

3x+60=180

3x=180-60

3x=120

x=120/3

x=40

The amount of water in the cylinder in term of π is: 504 π.

Step-by-step explanation:

Volume of cylinder () = π

where, r= radius of cylinder

h= height of cylinder

so,  = π× ×15

=540 π

Now, volume of ball () = ×  π ×

=  × π ×

 =  36π

Amount of water in the tank=   -

=540 π- 36π

=504 π

Youre answer is D