idk what you are asking but the cost of the cds on sale is $7.50 the cds not on sale are $37.50
Answer:

Step-by-step explanation:
The length of the arc is directly proportional to the angle of the arc, whose measure is determined by simple rule of three:


Answer:
A) 252 ways (use 'n choose k' formula)
B) 6 ways (use 'n choose k' formula again).
C) 6/252 basically elementary combinatorics
Answer:
5/352
Step-by-step explanation:
-4x11y=15
-4*24 * 11y=15
I think
Answer:
30,000
Step-by-step explanation:
Set the other digits to zero to obtain your answer:
030,000
The value of the 3 is 30,000.
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It is in the "ten-thousands" place, so represents 3 ten-thousands, or thirty thousand.