Can you please add a picture of the problem or type all the measurements and information?
Part A:
-np - 70 < 40
+70
-np < 110
-n < 110/p
Part B
4w-7k=28
-7k=28-4w
7k=4w-28
k=4/7w-4
(b^4)^3
To simplify when something is raised to two different exponents, multiply the two exponents together:
4 * 3 = 12
You now have b^12.
The answer is D.
First you would subtract the monthly fee from the total bill
Maria spend $12.35 on songs, to find out how many songs, you divide that by $.95
Maria bought 13 songs this month.
Can i see the Answer Choices?