Expand 3x(5x-y) answer for this pls

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

Find the interior angle of a regular polygon which has 6 sides

Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots? (x + 2)(x - 3) = 0 (x - 2)-2(x + 3)3 = 0 (x-2 + 2)(x2- 3) = 0 (x + 2)2(x - 3)2 = 0