If the cost to a computer store for a pc is 1800 and the store profit is 1/10 of the selling price for how much should the store sell the pc

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

The tile along the edge of a triangular community pool needs to be replaced? ?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick