Answer:87 seats are empty
Step-by-step explanation:

The domain is all real numbers as a composition of two linear functions have no restrictions (all linear functions have domain of R)
Answer:
We simply wont know until we find out now wont we??
Step-by-step explanation:
My Mind
Hi I am here to help :). I think the answer would be 7/4. Good luck!
Answer:
c
Step-by-step explanation:
252 = 7 *36
36 = 6 *6 = 6²
a² -b² = (a + b)(a - b)
7h² - 252k² = 7(h² - 36k²)
= 7(h² - [6k]² )
= 7(h +6k)(h - 6k)