Find the area for rectangle for 15m by 3m

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

What term best describes a line ans a point that lie in the same plane