Answer:
they have to sell 575 tickets so they could reach their goal.
2
Step-by-step explanation:
Look here!
5
b is at 15
n is at 10
hence -15 - -10=5
positive 5 btw
19xy + 16z
combine like terms
7xy +1 2xy= 19xy
8z - 2z + 10z = 16z