Answer: 35
Step-by-step explanation:
Angle ACD = 70
Angle BCD = 70/2 = 35
Given:

To find:
The simplified fraction.
Solution:
Step 1: Simplify the numerator

Step 2: Simplify the denominator

Step 3: Using step 1 and step 2

Step 4: Using fraction rule:


Cancel the common factor r and t², we get

Cancel the common factors 16 and 3 on both numerator and denominator.



The simplified fraction is
.
Answer:
It will be A because of if you round it it would be -7
Answer:
The slope is -1/4
Step-by-step explanation:
perpendicular line is 
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