某经销商销售一种产品，这种产品的成本价为10元/千克，市场调查发现，该产品每天的销售量y（千克）与销售价x（元/千克，且10≤x≤18）之间的函数关系如图所示，该经销商想要每天获得150元的销售利润，销售价应定为多少？列出关于x方程是____ （不需化简和解方程）．

我能给加下划线词选择正确解释。

颇负盛名（     ）

9的算术平方根是 ____．

    Hi，I'm Betty.I come from Sydney.I'm a student.I eat breakfast at home.And then I go to school at 8：30.Classes start at 9：00.After school，I usually play sports with my friends.On the weekend，I often take a dancing class and play music.Sometimes I watch TV and read books.

    My favourite season is summer.Because Christmas is in summer.In Australia，summer is from December to February the next year.I usually go to the beach and swim on Christmas Day.What about you?