Using the slope formula for the point (1,5) and (2,-2),what would the denominator?

In the rectangle below ac=30 units what is de

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle