Multiply <span>3/8 inch by 75 and divide by 5</span>
The answer is C because you can go 7 away from zero both ways.
Given:
The frequency distribution table.
To find:
The mean average score on a test.
Solution:
The frequency distribution table is

x a xa
y b yb
z c zc
Sum a+b+c xa+yb+zc
Now, the mean average score on the test is


Therefore, the mean average score on the test is
.
The operation of this problem is B multiplication
Answer: z^3 - 3z^2 + 10 z - 30