Answer:
6x - 24y
Explanation:
Expand -3(10x + 4y): -30x - 12y
= 
Simplify 
= 6x - 24y
Mordancy.
As you plug in those numbers for x (from left to right) y=
0
1
2
3
4
Hello
The asnwer is C.
Have a nice day
Arc length is figured by the following formula theta/360 x 2pi(r) input the knowns 30/360x2pi(20)=11.52 miles
The answer to your question is A