Answer: $7.00
Step-by-step explanation: It says it costs $20 for up to 10 e-books downloads each month. And she downloaded 20 e-books and was charged $90. This means you need to do $90 - $20= $70. But, it wants to know the Cost of each additional download. So you would do 70 divided by 10, which equals 7.
<h3>Speed of light:</h3>

<h3 /><h3>Seconds in a year:</h3>


Multiply the speed of light with seconds in a year
*Note:- We will not change the values because speed of light is in m/s and the time is also given in seconds.





Answer:
128.5
Step-by-step explanation:
i'm not sure but i think i am correct ..... btw that square at the bottom is a right angle which equals 90 degrees :) i hope i am correct
Answer:
Step-by-step explanation:
Sum a with a-s ;b with b-s so:
0.75a + 10b + a – 2b=0.75a+a+10b-2b=1.75a+8b
Answer:
£30
Step-by-step explanation:
Krutika should get £30 of it