exam Maths Puzzle Numerical Ability

Perform the indicated operations:

-4 [6 9] + 5[-2 6]
[-5 7] [3 -5]

Read Solution (Total 0)

exam Other Question

2/m + m/m+3=3m/m(squared)+3m How do I solve this? -4x+4y=-12
x-4y=15