Answer:
30
Step-by-step explanation:
(-) (-) = +
Therefore 15 - (-15) = 15 + 15 = 30
Answer:
The percent markup is,
60.89 % .
Step-by-step explanation:
A pair of shoes cost $ 22.99 to make, the local store sells them for $ 36.99.
So, the increased value for each pair of shoes,
= $ (36.99 - 22.99)
=$ 14
So, the percent markup is,
%
60.89 %
Answer:
.
Step-by-step explanation:
Notice that the first two factors are in the form
, which is equal to
. Start by combining and expanding these two factors:
Let
.
.
.
This expression can now be expressed as
.
stands the unit imaginary number, where
. Unless
is raised to a certain power other than
, it can be treated just like a constant.
Expand this expression using FOIL:
.
Answer:
2x+9
Step-by-step explanation:
As you can see, there's a 4x. Now, you want to to to 36x divided by 16x which is 2, 9 to the power of 2 is 81 which is in the polynomial so you'll want to click 2x+9.