The answer is 13. To solve this you have to do 4*3 which is 12. Then you subtract 25 and 12 to get an answer of 13.
The tip would be $17.26
All you have to do is multiply 86.29 x .2 (20%)
I hope it workssssssssssssssssssssss.
You can find the area of a hemisphere by using the following equation
V = (2/3) (pi)*r^3
so V = (2/3) (pi)*1.6^3
Which comes out as 8.5786423394 or 8.6
The answer is a. b>-2 because
6b<24
b< 24/6
b<4
And
4b+12>4
4b>4-12
4b>-8
b>-8/4
b>-2
