Answer:
57, 53, 49, 45
Step-by-step explanation:
Substitute for the n for n=1,2,3,4 so the first term is 57-4(1-1) so =57-4(0) so
a(1) = 57-0 = 57 so that is the 1st term
2nd term 57-4(2-1) so =57-4(1) so a(2) = 57-4 = 53, etc.
Answer:
B(2,3),C(2,-3)
Step-by-step explanation:
On y-axis symmetry有手就行
A. the lower extreme is an outer but the upper exterme is not
Look at it step by step guys:a\9=-4 so u just cross in top and bottom that will be -36=a ,or a=-36.....
Answer:
168
Step-by-step explanation:
The first equation given is 
Where a is number of adult tickets and b is number of student tickets
It is also given that 82 students attended, so we can put "82" in place of "b" and then solve the equation for a:

Hence, 168 adults attended