Help plz

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

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