The weekly cost per person to rent a cottage on a lake varies inversely with the number of people who share the cost..4 people share the cost, each one pays $312.
write an equation relating the cost per person c and the number n of people who share the cost.

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square