Answer:
l think it is true
Step-by-step explanation:
please mark me brailliest
hope it helps u
Let denote the number of seats in the -th row. is arithmetic, so
for some constant .
We're told and , so that
and so on up to
The pattern continues:
and so on up to
Answer:
stop being lazy and pay attention in class
Step-by-step explanation:
it's not hard
Answer:
The answer is 71.4
Step-by-step explanation:
357 / 5 = 71.4
<span>(-3b+2)(b+3)
(-3b+b) (5)
(-2b)(5)
-10b</span>