Answer:
a
b

Step-by-step explanation:
From the question we are told that
The probability that an employees suffered lost-time accidents last year is 
The probability that an employees suffered lost-time accident during the current year is

The probability that an employee will suffer lost time during the current year given that the employee suffered lost time last year is

Generally the probability that an employee will experience lost time in both year is mathematically represented as

=> 
=> 
Generally the percentage of employees that will experience lost time in both year is mathematically represented as

=> 
=>
Generally the probability that an employee will experience at least one lost time accident over the two-year period is mathematically represented as

=> 
=> 
Generally the percentage of the employees who will suffer at least one lost-time accident over the two-year period is mathematically represented as

=> 
=> 
That would be 90 and 180 i think
Answer:
no solution
Step-by-step explanation:
There is no solution.
Answer:
D
Step-by-step explanation:
because youe last number is 90
Answer:
Point D
Step-by-step explanation:
To draw a perpendicular bisector between BE, you have take more than half of the length BE on the compass. So, it should be D