One elvis stamp and one liberty stamp cost a total of .63. a sheet of 40 elvis stamps and 20 liberty stamps cost a total of 18.40. determine the price of an elvis stamp and a liberty stamp.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

The square root of 9x plus 7 plus the square rot of 2x equall to 7