Answer:
a) 
b) 
c) Yes.
Step-by-step explanation:
We have that:

And we have $10 free of taxes.
Making x= number of tires to buy, then we have that the total cost of tires is:

So, what we pay for taxes is given by:

a) Then, according to the above, we can write down the total cost before the discount as:

b) And the total cost after discounts, is then given by:

c) If the discount is added first, then less tax will be paid because the amount on which it is paid is lower. If the discount is added later, then the taxes will have been taxed on a higher amount, so it does matter whether they are added first or later.
The third set of angles is complementary. Complementary angles are angles that add up to 90°.
56° + 34° = 90°
So what do you need us to do for you?
Step-by-step explanation:
do you have a calculator that could count these? with it it would be easy.
anyway here are the first ones and thanks for the one star
Answer:
C or A
Step-by-step explanation: