Someone, please help me with this math problem. You can find it here:

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.