Kelly is 3 years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister? an equation and show steps! ( hint: the sister is the " x")

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Solve 3x-18=2y and 5x-6y=6 by elimination show work

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