初二数学和英语!帮帮忙啊!谢谢啊啊!
一艘海伦位于灯塔P的北偏东60°A处,它沿正南方向航行70海里后,到达位于灯塔P的南偏东30°的B处,求此时海伦至灯塔P的距离（结果保留根号）
在山坡上植树,要求相邻两数间的水平距离为6米,测得山坡的倾斜角为30°,求相邻两数间的斜坡面的距离.
以上两道题请老师写出过程,谢谢!
根据句意及英文释义用相应的单词填空
They________(collect money together)500 dollars to helo that poor family last month
I like all the panintings here,but this one is _____(especially) good
we share a _____(shared by two or more people )goal:we both want to go into that university
Is New York the _____(a city which is the center of government of a country)of the USA
They can not speak chinese at all they are both _____(a person who comes from another country)