Answer:
Final answer is 
Step-by-step explanation:
Given expression is
.
Now we need to subtract them.
We are allowed to subtract like terms only that has same variable with same exponent.






Hence final answer is 
Answer:
i think is n = 4. Sorry if wrong.
Step-by-step explanation:
The lateral area is the area around, the bases are the circles so the lateral area is the area of the rectangle
we just need the legnth of the rectangle which is the circumfernece of the circle
C=pid
d=12
C=12pi
area=lw
aera=12pi*15
area=180pi yd^2
An easy trick is to just take 10% first by moving the decimal place to the left one, like this. 10% of 60.0 is 6.0. Then multiply that by 3 to get 30% so 6*3= 18 people.
Answer:
768 square inches
Step-by-step explanation:
see attached