If fixed cost of 20 articles is Rs. 500 and variable cost for each additional article is Rs. 40. Find the total cost function. Also find the cost of 200 articles.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug