Ms. Owens has some pencils . She give 5 of them away. Now she has 13 pencils left. How many pencils did she start with? I need a Equation with unknown

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2