What is an equation of a line which passes through (6,9) and is perpendicular to the line whose equation is
4x - by = 157
1)
y-9--(3-6)
y-9= (x=6)
|3)
y+9= -3(x+6)
y+9= (x+6)
2)
3

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.