B: 5(x+4)^2 Explanation: The “5” at the beginning of the equation represents stretch by five (multiplying the 1, 3, 5 rule, therefore making it over one up five, over one up fifteen, etc.) the +4 represents moving right 4 times.
Π x 3.5² = 12.25π = 38.48 units² (nearest hundredth)
Answer: 38.48 units²
10% of $400 is:
$400* (10/100)= $40
$400- $40= $360.
The reduced price of the keyboard is $360~
234 / 18 = 13 So she gets thirteen dollars an hour.
I did 13 x 8 and got 104 so the answer is 8 hours.