Over what interval is the function in this graph increasing

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 !

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.