Answer: 
Step-by-step explanation:
To fing the diameter of a circle when given the circumfrence we use the formula of



Step-by-step explanation:
a−(6a−(5a−8))
a-(6a-5a+8)
a-6a+5a-8
6a-6a-8
0-8
=-8
so the answer doesn't depend on a
Answer:
45 hours on math, 20 on science, 18 on soc st, and 17 on la
Step-by-step explanation:
percents are how many out of one hundred
Answer:
Replace l with 110 and w with 120
P = 2(110) + 2(120)
P = 220 + 240
P = 460 feet
Answer:
4w+120.
Step-by-step explanation:
She downloads 4 songs for every week which is represented as 4w, and she started with 120 songs which is represented as +120.