Is y= -3 a vertical or horizontal line?

Pls will give brainliest and all p. s u can zoom in if u cant see plss

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)

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal