Using radicals, write an equivalent expression for the expression y 1/5

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Find two rational expressions that have the difference of 2-n/n-4

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey