(I'll give 20 points)
Expense
Yearly Cost
Fixed or Variable
Expense?
Fixed
Average
Monthly Cost
$400
Percent of Yearly.
Budget (Rounded)
$4,800
Income Tax
$950
Housing
$950
$7,800
T
Food
Variable
$75
Clothing
Fixed
Transportation
$6,000
$1,200
Insurance & Medical
Entertainment
$ 100
$1,200
Emergency Fund
Fixed
$50
Savings for College
Fixed
$600
Savings for Retirement
$100
$1,200
Total
$4,075
$48.900
100%

3. (5x + 1) - (-10x + 6)

simplify the answer choice. combine like terms. remember to distribute the negative to the terms inside the second parenthesis. also remember that two negatives = one positive, and one of each sign = negative.

- (-10x + 6) = + 10x - 6

simplify. combine like terms:

5x + 1 + 10x - 6

5x + 10x + 1 - 6

15x - 5

∴ it is your answer

~

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,