Find all values of the variable for which the rational expression is undefined x plus 3 over 5 x squared + 21 x - 20

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Answer! if you don’t mind, can you explain

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply