Anybody have the paper sketch each line and find the slope and y intercept

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

If g^-1(x) is the inverse of g (x) which statement must be true

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)