Please help me! it’s urgent

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0