Five friends spilt the cost of parking at an amusement park. Each of them also buys a 30 ticket write an algebraic expression that represent the amount of money each friends spend. Identify any variables

For how answer my question this will be the last question can you answer in math subject

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?