Which expression is equivalent to 24 + 15?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?