How can i solve these errors'

Trying to develop the fun facts activity, i got these errors, anyone can help to understand what i have to do? it is my first time. thanks

/Users/nicolas/AndroidStudioProjects/FunFacts/app/src/main/java/com/example/nicolas/funfacts/FunFactsActivity.java Error:(3, 30) error: package android.support.v4.app does not exist Error:(6, 35) error: package com.google.android.gms.maps does not exist Error:(7, 35) error: package com.google.android.gms.maps does not exist Error:(8, 41) error: package com.google.android.gms.maps.model does not exist Error:(9, 41) error: package com.google.android.gms.maps.model does not exist Error:(11, 39) error: cannot find symbol class FragmentActivity Error:(13, 13) error: cannot find symbol class GoogleMap Error:(15, 5) error: method does not override or implement a method from a supertype Error:(17, 9) error: cannot find symbol variable super Error:(18, 25) error: package R does not exist Error:(22, 5) error: method does not override or implement a method from a supertype Error:(24, 9) error: cannot find symbol variable super Error:(47, 22) error: cannot find symbol class SupportMapFragment Error:(47, 88) error: package R does not exist Error:(47, 42) error: cannot find symbol method getSupportFragmentManager() Error:(63, 57) error: cannot find symbol class LatLng Error:(63, 28) error: cannot find symbol class MarkerOptions Error:Execution failed for task ':app:compileDebugJava'.

Compilation failed; see the compiler error output for details.