The answer is 5 because if you add 10 to -10 it is 0 then add the 5 more and it is 5.
The second one is the only equivalent equation. Simply plug in each variable in each equation. And compare!
I believe the correct answer from the choices listed above is option B. The solution to a system of inequalities is <span>a collection of points that satisfy all inequalities in the system. It will always be a number of points that will agree with the inequality.</span>
Hope this answers the question. Have a nice day.
H=45d h stands for hours and 45d means 45 minutes per day
