

Substitute into

Insert y = 5 into

Answer: 9 coach tickets, 5 first class tickets.
Hope this helps.
Answer:
tn = 8n -7
Step-by-step explanation:
given : t2=9, t4=25
the formula is:
tn = t1 + (n-1) d
gonna find d first:
d = (25-9) /(4-2) = 16/2 = 8
and find tn1:
t1 = 9-8 = 1
so, tn = 1 + (n-1) (8) = 1 +8n -8
tn = 8n -7
Answer:
D
Step-by-step explanation:
-1 0 1 2 3 4 5 6 7
9 units. distance is always positive.
ans. D
8*6*4= 192m^2
8m*6m* 4 sides of those measurements
4*6*2= 48m^2
192+48= 240m^2