Hey there!
The answer to your question is 
Given:

First, we can start by adding like terms. The following are like terms:



Now, we can add these pairs together, giving us:



Now, add all this together, and we get our answer as:

Have a terrificly amazing day!
Answer:
Using the formula
r
=a
cos
(
θ
)
or
r
=
a
sin
(
θ
), graph the circle.
r
=
6
cos
(
θ
)
Step-by-step explanation:
Answer:
About 90.84 in^2
Step-by-step explanation:
The formula for the surface area of a pyramid is
, which for this pyramid is equal to about 90.84 in^2. Hope this helps!
Answer:
The area of the circle is approximately <u>154</u> square meters
Step-by-step explanation:
Area of a circle formula: 
given:
- diameter = 14m
- pi = 22/7

Number 7: 11/12-9/10 = 110/120-108/120=2/120= 1/60
number 8: 5/18-1/3=15/54-5/54=10/54 =5/27