Answer:
Option C 
Step-by-step explanation:
we know that
The area of a circle is equal to

we have

substitute

Remember that
degrees subtends the complete area of the circle
so
by proportion
Find the area of the blue sector for an angle of
degrees


Step-by-step explanation:
7/8 - 1/4 = 5/8
__z_________z_
Answer:

Step-by-step explanation:
we have

step 1
Apply the distributive property both terms


step 2
Combine like terms



Answer:
A
= 
b =
× 
b = 
then b =
that is ORANGE
B
-2 - v = -7
v = -7 +2
then v = k + m that is BROWN
C
= 
q = 
then q =
that is YELLOW
D
4m + 2(n) = 5 (n)
4m = 5 (n) - 2n
4m = 3n
m = 
then m =
that is RED
E
-8 =
- 6
= -8 + 6
x = -5 (-8 + 6)
then x = y( w + z ) that is LIGHT GREEN