Answer:
$648.
Step-by-step explanation:
$400+50% = $600
$600+8%=$648
i thought you was a guy ?
the answer is 10.3
The vertex is the point (-4, 7).
y= -16
Y= -3x - 1
Let x = 5
y = -3(5) -1
y = -15-1
y = -16