I'm confused and need help as always..
Help please?

Step-by-step explanation:

1. -3.2a≤8  you are dividing the 8/-3.2 you get -2.5 flip your sign to get

a≥-2.5 solid line on -2.5 and go to the right.

2. 2>n+.8  minus .8 from both sides  n<1.2  open circle on 1.2 and go to the left

3. b-4.2>=-5  b≥ -0.8  solid line on -0.8 and go to the right

4. false

5. r≤0.1

6. y≤0.8  

You get the idea or need more help?

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

pi x^2

step-by-step explanation:

pi times x squared