Answer:
a. n= 1x +7
b. n= 12 + 4x
Step-by-step explanation:
The missing factor is (a -1) I believe. If you foil (5a + 9)(a - 1) you would get 5a^2 + 4a - 9.
The perimeter is 32m add all sides to find perimeter
Going by the information given above, Laura is most likely going to belong to the tax bracket where the rate payable is 12%. This is because she is a single filer and her income is between $10,276 and $41,775.
<h3>What is a tax bracket?</h3>
Tax brackets are a series of income and tax layers by which people are defined based on how much they earn per annum.
The tax rates range from 10% to 37%. The rate applicable to a person or group of persons depends on
- whether or not they are single
- If married, whether they are filing jointly; and
- how much their annual income is subject to deductibles.
It is to be noted that a general answer was provided here due to insufficient details in the question.
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We have that the fourth term of an arithmetic sequence is
a_4=14
Option C
From the question we are told
What is the fourth term of an arithmetic sequence whose first term is 23 and whose seventh term is 5?
A) 78
B) 32
C) 14
(Explain your work)
Generally the equation for the arithmetic sequence is mathematically given as

Therefore
For seventh term

Therefore
For Fourth term

a_4=14
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