-15 + n = -9
step by step pls

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

How far does the wijw nj jh jevh dhhb vte hbhe gvbf5wf bjehn v

Two lines intersect and two of the vertical angles measure 115°. what is the measure of the other two vertical angles? 65° 85° 90° 245°