In multi-media industry, manufactures claim that the CD disc lifespan is ten years less than the DVD disc. The lifespan of Blu-Ray disc is three times that of CD disc.
If the total lifespan of the three types discs is 80 years, calculate the longevity of DVD disc. (A-CED. 1/5 points)
DVD Lifespan

what is the dvd lifespan

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Measure a and b and find their sum. how are the angles related?

Perform the indicated operation. y^2 + 3y - 10 / 3y + 15