They should be declared using style sheets (CSS).
<span>If you specify a user without specifying a hostname, mysql will </span>automatically put a percent sign (%) the host to show that the user can connect from any host.
A and B are out because Charlie knows his problem is he is not going to finish in time. D is out because he hasn't talked to his manager yet. so only choice left is C. decide if he should talk to his manager about the problem he now knows
<em><u>Answer</u></em>
5 hours
<em><u>Explanation</u></em>
The two working together can finish a job in

Also, working alone, one machine would take one hour longer than the other to complete the same job.
Let the slower machine working alone take x hours. Then the faster machine takes x-1 hours to complete the same task working alone.
Their combined rate in terms of x is

This should be equal to 20/9 hours.

Multiply through by;





Factor to get:


It is not feasible for the slower machine to complete the work alone in 4/9 hours if the two will finish in 20/9 hours.
Therefore the slower finish in 5 hours.