Answer:



Step-by-step explanation:
Given

See attachment
Solving (a): 
To solve for
, we make use of:

The relationship between both angles is that they are complementary angles
Make
the subject

Substitute
for 


Solving (b): 
To solve for
, we make use of:
The relationship between both angles is that they are complementary angles

Solving (c): 
To solve for
, we make use of:

The relationship between both angles is that they are alternate exterior angles.
So:

Answer:
B. Multiply 8 by 4 is the answer
Answer:
83/200
Step-by-step explanation:
41%=41/100=0.410
42%=21/50=0.420
41.5%=83/200=0.415