What is the factor in this equation? 3+(4r + y)

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?