when a number is added to 1/5 of itself, the result is 24. the equation that models this problem is n+1/5n=24. what is the value of n?

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Is this a polynomial function? i need to know asap

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?