Answer:

Step-by-step explanation:
The standard equation of a straight line is of the form:

We have to convert the given equation into above form.
Simplifying the given equation:


.- This is in standard form
where 
21-6=15
The range of the set is 15
Answer:
cos 15 degrees is your answer.
Answer choice (b)
Your answer will be 5xplus10
Answer:

Step-by-step explanation:
Given

--- Those that do not get recommended amount of exercise
Required
The percentage that do not get the recommended amount of exercise
From the question, we have 79% to be the percentage of adults that do not get the recommended amount of exercise. This 79% represents the required percentage
Hence:
