Is a method of calculating interest in which the interest is added to the principal each period so that the principal continues to grow throughout the life of the loan or investment. the formula is a = c * (1 + r/100)n where a is the future value, c is the principal, r is the interest rate per period, and n is the number of periods.

Compounding.

Step-by-step explanation:

This is Compound interest

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.

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)