If the sale of an article resulted in a loss of 20 per cent on the cost price, then the cost price as a percentage of the selling price is. (A). 75% (B). 80% (C). 120% (D). 125%

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac