Answer:
21
Step-by-step explanation:
(-4,5),(0,6)
slope = rise/run
tip... you have to crawl (run) before you run (rise) .
you can use the slope formula

1/4
I think the answer is A.
It's probably wanting you to use pythagorean theorem.
Answer: the bottom one
Step-by-step explanation:
Pi r2
17 divide 2=8.5
Then
8.5•8.5=72.25
Then
3.14•72.25=226.865
Then
226.865 divide by 2 =113.4325m2