$17 (it's just the market price - the marginal cost)
A.A is your best answer
A vertex is "the apex" of the angle.
See attached photo.
hope this helps
Let a be the number of trumpet players
Let b be the number of saxophone players
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(1) a = b-10
(2) b =3a
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Substitute
(2) into (1)
(1) a =3a-10
(1) 2a =10
(1) a = 5and
(2) b = 3(5)(2)
b = 15
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There are 5 trumpet players and 15 saxophone player
Answer:
The answer to the question is B.
Wait, I'm sorry, correction: a = 15, b = 7, c = 5, d = 10, e = 12.
Step-by-step explanation:
When a consumer uses a debit card, the money being used is coming directly from the person's checking account. When someone uses a credit card, the person is charged to a line of credit and is billed later.
