Let x represent the number of years since 2000 and let y represent the number of coin collection. The number of coins in the collection from 2000 to 2010 can be modeled by the function y=(3x)^2+(25x)+25. In what year did the coin collection have 155 coins?

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?