Answer:
3rd one im pretty sure because they are opposites :)
Step-by-step explanation:
Answer:
The answer for first one is,
a³
Answer for Second one is,
n.
Answer for 3rd one is.
-3y
Answer for number four.
x⁹
sorry couldn't answer number 5.
65.99(0.15)
Now take that number and subtract it from the original cost
65.99-9.9
56.09
Answer:
The area of the sector is 
Step-by-step explanation:
step 1
Find the area of complete circle

we have

substitute


step 2
Find the area of the sector
we know that
The area of complete circle subtends a central angle of 2π radians
so
using proportion
Find out the area of a sector by a central angle of 1/9 pi radians

Since you have 2 pounds, and spend $8.58 total, divide the amount you spent, but how many pounds you bought to get the unit rate which is $4.29