5x^2+8x^3+7x^3+x^2 write in standard form

15x^3 + 6x^2

Step-by-step explanation:

5x^2+8x^3+7x^3+x^2

Combine like terms

8x^3+7x^3+x^2 + 5x^2

15x^3 + 6x^2

To be in standard form, we write from highest power to lowest power

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.