Given a right triangle whose two sides are given, the third side can be found using ?​

Adriano loves anime and collects toys from his favorite series.each month he gains 4 toys. if adriano has 3 toys when he starts collecting, how many does he have after 4 months

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x