Answer:
Step-by-step explanation:
let (x1 , y1) = ( - 3, - 4) and (x2 , y2) = ( 6 , 8)
Slope (m)
= y2 - y1 / x2 - x1
= 8 + 4 / 6 + 3
= 12 / 9
= 4/3
Nearest tenth:
3.9
Nearest whole number:
4
When dealing with money, you must round up.
20 is a multiple of 10
It is neither for 30.