Answer:
B or the third option you put.
Step-by-step explanation:

is the only acute angle whose sin = 1/2. Therefore, cos (

) =
Answer:
Not enough info for a valid answer.
Step-by-step explanation:
375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased
Step-by-step explanation:
Let x be the number lower reserved tickets
and
y be the number of upper reserved tickets
Then according to given statements

From equation 1:

Putting in equation 2

Subtracting 7030 from both sides

Dividing both sides by -1.5

Putting y = 365 in equation 1

Hence,
375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased
Keywords: Linear equations, Variables
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