HHHEEEEELLLLLPPPPPPP!!!!!! PPPPLLLLEEEEAAAAASSSSSEEE!!!!!! ALL MULTIPLE CHOICE!!!!!

Given: sin theta = 4/5 and cos x = -5/13 ; evaluate the following expressions.
sin (theta + x)
16/65
33/65
56/65

cos (theta - x)
-63/65
-33/65
33/65

tan (theta + x)
-46/63
-16/63
16/63

sin 2theta
-40/65
6/25
24/25

cos 2x
-119/169
119/169
144/169

tan 2theta
8/3
24/7
-24/7

tan½x
-3/2
2/3
3/2

sin 3theta
44/125
12/5
64/125

You don't have to answer all of them. Any help would be appreciated! I really don't know!