Answer:
The system is inconsistent
Step-by-step explanation:
Given the matrix system solutions in the attachment, we can see that the coefficient of the matrix rank has become zero. This shows that it has no solution.
Answer:
$15.00
A $10.00 and a $5.00 dollar bill
Step-by-step explanation:
Answer:
The value of f(3)=12.4
Step-by-step explanation:
Average rate of change = 3.4
Interval: -2 < x < 3
f(-2) = 9
We need to find f(3)
The formula used to calculate Average rate of change is: 
here we have a=-2 and b=3
Now finding f(3)

So, The value of f(3)=12.4
Answer:
117 sq in
Step-by-step explanation:
Answer:
$60
Step-by-step explanation:
work it backwards
$15*2=30
$30*2=$60
check
$60 start/2 for phone= $30
$30 left/2 for gift
$15 left