Answer:
Question 1 : -2 3/4 × 3 1/5     .  Change the fractions to improper fraction and multiply .
                                  =   -11/4 × 16/5
                                 =    -176/20
                                 =  -44/5
                                 =  -8 4/5 
 Question 1  answer :     -8 4/5
Question 2:  -4.6/-2              
                  =  -4.6/-2 
                  =  2.3
Question 2 answer : 2.3
Question 3: - 7/8 ÷ (-2)(-4)
                   = 7/6(-4)
                   = -7/4
Question 3 answer : -7/4
Question 4 : -4 27/30
                   = -147/30
                   = -4.9
Question 4 answer : c
Question 5 : -3 13/20
Question 5 answer : -3.65
Therefore The answer are 
-8 1/4 , 2.3 , -7/4 , c , -3.65