What is the best solution of the system of equations? y= 3x-4 -3y= -9x +12
a) no solution
b) (4,8)
c) infinitely many solutions
d) (2,-2)

Which matrix multiplication is possible?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

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.