Answer:
A is the true answer and others are wrong
Answer:
3x + 30
Step-by-step explanation:

3x + 30 would be an equivalent expression.
Hope this helps.
Answer:
The 13th term is 81<em>x</em> + 59.
Step-by-step explanation:
We are given the arithmetic sequence:

And we want to find the 13th term.
Recall that for an arithmetic sequence, each subsequent term only differ by a common difference <em>d</em>. In other words:

Find the common difference by subtracting the first term from the second:

Distribute:

Combine like terms. Hence:

The common difference is (7<em>x</em> + 5).
To find the 13th term, we can write a direct formula. The direct formula for an arithmetic sequence has the form:

Where <em>a</em> is the initial term and <em>d</em> is the common difference.
The initial term is (-3<em>x</em> - 1) and the common difference is (7<em>x</em> + 5). Hence:

To find the 13th term, let <em>n</em> = 13. Hence:

Simplify:

The 13th term is 81<em>x</em> + 59.
Answer:Hillary will pay $35.00 for softball glove, $20.00 for soft ball bat and $40.00 for cleats
Step-by-step explanation:
Step 1
A percentage off of a price of an item is the amount that can be saved from purchasing that item, it can also be referred as a discount given on an item purchase.
Step 2 --- Calculation
Actual Price of Softball glove= $50
Discount= 50 x 30/100 = $15.00
Price to pay= $50 - $15.00 = $35.00
Actual Price of soft ball bat= $50
Discount= 50 x 60/100 = $30.00
Price to pay= $50 - $30.00 = $20.00
Actual Price of cleats= $50
Discount= 50 x 20/100 = $10.00
Price to pay= $50 - $10.00 = $40.00
Therefore, Hillary will pay $35.00 for softball glove, $20.00 for soft ball bat and $40.00 for cleats