B. slope is -1/2
This is because the m-value aka the slope is always the reciprocal if the line is perpendicular
Pat attention to the ending of the numbers. If there are an odd amount of odds, it's going to be odd. If there is an even amount of odds, it's going to be even. If there's only evens, it's only going to stay even.
The answer is : 5.29411764706
The answer when rounded: 5.29 or 5.3
I found the answer by simply dividing 45/8.5 - Remember that per means division!
The numbers 0, 1, 2, 3, 4 could all be the missing digit because they're all numbers that round down. hope this helped!
