Complete Question
The complete question is shown on the first uploaded image
Answer:
The value of 
The value of 
Step-by-step explanation:
Generally the total angle that make up a circle is
From the diagram we see that
=> 
Generally angle that is formed as a result of interception of a chord and a tangent is equal to the intercepted arc divided by 2
This implies that
substituting values
Answer:
The pretzels are 20% of the total weight of the snack.
Step-by-step explanation:
Total weight 12 + 20 + 8 = 40
So 8 / 40 = 20%
Mili is the root for 1000 so 1 gram is 1000 milligrams
Answer:
Age of Mark 
years
Age of Mark's dad 
years
Age of Mark's sister 
years
Step-by-step explanation:
Let age of Mark be 
years.
Mark's dad is three times older than Mark
Age of her Mark's dad 
Mark's sister is 2 years younger than Mark
Age of Mark's sister 
years
The sum of their ages is 48.
Age of Mark 
years
Age of Mark's dad 
years
Age of Mark's sister 
years
Answer:
Helena needs 2 ¹/₂ cups water and 1 ¹/₄ cups vinegar for a half batch. She needs 10 cups of water and 5 cups of vinegar for a double batch.
