D: because if you take 9.50-7.50=2 you would get p=price or the price of the pen.
Hope I helped=)
Answer:
Step-by-step explanation:
Equivalent expressions are expressions that are the same,even though they might look different. If you plug in the same variable value into equivalent expressions they will each give you the same value when you simplify.
Answer:
C
Step-by-step explanation:
calculate like terms, then it is pretty simple from there.
Answer:
negative pie/10 radians
Step-by-step explanation:
d on edg
If
then complex number
is a root of cubic polynomial.
If polynomial has real coefficients, then conjugated
is also a root of polynomial.
Then the polynomial will be of a form

Since
then

Therefore,
