Practice problem
Which of the following satisfies z×2×4=2×n×9z \times 2 \times 4 = 2 \times n \times 9z×2×4=2×n×9?
z=9,n=4z=9, n=4z=9,n=4
z=3,n=5z=3, n=5z=3,n=5
z=4,n=9z=4, n=9z=4,n=9
z=2,n=9z=2, n=9z=2,n=9
Type a concept, like “slope” or “photosynthesis”.