Answer:
f(1)=94,f(n)=f(n-1)-5
Step-by-step explanation:
0
21(3) +2(7) - 11(7) because the absolute value of -11 is 11
63+14-77
=0
Answer:40%
x=90º
x=60+30
x=90
972 / 3 = $324
Which means that each person will pay $324
