Answer:
c
Step-by-step explanation:
The period is 1 complete cycle of the wave, before repeating.
1 cycle is from - 6 to - 2 , then
period = 4 → c
Answer: 2m - 5n
<u>Explanation:</u>
Using long division
<u> 2m - 5n </u>
6 ) 12m - 30n
width*length = area
6(2m - 5n) = 12m - 30n
