Explain why fishers index is called ideal index number

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10