Answer:
(-5x)^4
Step-by-step explanation:
Mean: 14.5
median:15.5
IQR: 7.5
Answer:
$9.66 isb15% of $64.40
Step-by-step explanation:
64.40×15%
Answer:
It will take 100 songs for the monthly price of Napster to cost the same as iTunes.
Step-by-step explanation:
Let's create two equations to represent iTunes (T(d)) and Napster (N(d)):
T(d)=0.99d
N(d)=0.89d+10
In order for us to find when the two prices will be the same, let's set the equations equal to each other and solve for x:
0.99d=0.89d+10
0.1d=10
d=100