For Geometry offering 20 points

V≈366.52

Step-by-step explanation:

Use cone volume formula  V=pi r^2h/3

Hope this helps.

Next time search cone volume calculator on the web

b.an increase in a causes b to decrease

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*