Determine wether the graphs of y=-2x-7 and -y=2x+13 are parallel, perpendicular, coincident, or none of these

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 !

Find the value of x. round the length to the nearest tenth

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?