If an angle supplementary to a right angle is (always, sometimes, or never) a right angle

Normal yağmur ile asit yağmuru arasındaki fark nedir

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.