Sophia pays a $19.99 membership fee for an online music store. if she also buys two songs from a new album at a price of $0.99 each, what is the total cost

answer:

step-by-step explanation:

diagonals divide a regular hexagon into six equilateral triangles (look at the picture).

the formula of an area of an equilateral triangle with side a:

substitute a = 20 cm:

the area of a regular hexagon is equal six times the area of a triangle:

answer:

4.32

step-by-step explanation:

18% x 24 = 4.32

answer:

  $15,000

step-by-step explanation:

the amount of simple interest is computed using the formula

  i = prt

where i is the interest earned; p is the principal invested at rate r for time period t.

fill in the given information and solve for p.

  $2625 = p·0.035·5

  $2625/0.175 = p = $15,000

samuel deposited $15,000 in the account.