Respuesta :

11) 3 1⁄4 x 1 1⁄2 
12) 81 2⁄5
13) of means times so the answer would be c 
14) you would do 2/3 divided by 4 1⁄4 which would equal = 2 5⁄6
sorry if I got any wrong I was kind of confused on some of them