Virtual fido is a company that makes electronic virtual pets. the money made for the sale of each pet is represented by the function: s(x)=$1000-x, where n(x)=x represents the number of virtual pets made and sold each week. the fixed weekly cost is $3000, and variable costs for each pet are $20.what is the weekly cost function, c(x), for virtual vido?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?