40-6 is 34

34 divided by 2 is -7

14+17 is 31

ANSWER: 31

The answer is B.

I need 20 character for this answer

**Answer:**

91

**Step-by-step explanation:**

Mean is calculated as

mean =

let x be his test score of his last test , then

= 85 ( multiply both sides by 7 )

504 + x = 595 ( subtract 504 from both sides )

x = 91

**Answer:**

4

**Step-by-step explanation:**

193/7=27 with a remainder of four.