Answer:
4n and 5p
Step-by-step explanation:
Because if it the cost of each your mulitplying and because you wanting to just define the variable p for pen and n for notebook all a variable is a letter than let you know what something is for using in math later
A number line with a closed circle on-2, an open circle on 5, and shading in between so the answer C. is correct
Answers:
a) 
b) 
c) 
d) 
Step-by-step explanation:
In this case we are dealing with angles, which can be expressed in degrees (
) or radians (
).
Now, before making the conversions we have to know the equivalence between degrees and radians:

Taking this information into account, let's begin with the answers:
a) 
b) 
c) 
d) 
it was fine, thanks for asking. how was your day?
thanks for the points btw :)