Answer: 40k⁶-15k⁴
Step-by-step explanation:

The answer should be C: 12
Answer:
A store pays $840 for an oil painting. The store marks up the price by 46%. What is the amount of the mark-up?
=
$386.40
Answer:
The expression for the total cost of the visit to dentist is T = 50 + 100n .
Step-by-step explanation:
As given
The price of a visit to the dentist is $50.
If the dentist fills any cavities, an additional charge of $100 per cavity gets added to the bill.
If the dentist n cavities .
Let us assume that the total cost of the visit to dentist be T.
Than the expression becomes
T = 50 + 100n
Therefore the expression for the total cost of the visit to dentist is T = 50 + 100n .
Word Form: Seven hundred ten thousand two hundred.