Sigma(i = 7 to 16, 2i-12) = 2*sigma(i = 7 to 16, i) -120
= 2*115-120 = 110
Answer:

Step-by-step explanation:
et
n-----> the number of tickets online
C----> the cost for ordering n tickets online
we know that
The linear equation that represent the cost is equal to
----> linear equation in slope intercept form
where
the slope m is equal to 
The y-intercept (one-time service fee) is equal to 
n is the number of tickets online
Answer:
Step-by-step explanation:
P=2(a+b)
2(26+25)
=102 ans