What type of triangle can be formed by 8,6,7

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

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

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?