Complete 11-13 thx alvin XD

10. 72.5% because 21.75/ 30 is 0.725 and times that by a 100 is 72.5

11. it is 30.72 because all u have to do it take the percent and turn it into a decimal, which is 0.04 and multiply it and u will get that answer

12. ur answer will be 1.7991, it is the same as the other one, but in this it will be 0.045

13. i think it a 11.28

answer: x

step-by-step explanation:

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;