I need help asap, please

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

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Solve the following system of equations express your answer as an ordered pair in the format (a, b) with no spaces between the numbers of symbols 5x+2y=22