Answer:
the answer is C
Step-by-step explanation:
They are all supplementary to each other because supplementary means that they all add up to 180
Answer: option a.
Step-by-step explanation:
By definition, we know that:

Substitute
into the first equation, solve for the cosine and simplify. Then, you obtain:

As
then
:

Now we can find
:

Answer:
Weekly pay = 3x + 50
Step-by-step explanation:
x is the number of sales made during the week
Answer:
D
Step-by-step explanation:
the highest real number stops at 4, which means all the sets of real number are less than 4.