A triangle has sides with lengths of 20 centimeters, 48 centimeters, and 54 centimeters. Is the triangle a right triangle?

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

Rewrite so the subject can be y in the formula d=m-y/y+n

Write the equation of the circle centered at (10,-2) with radius 2.