Solve using substitution. -3x +2y=-12 and 9x -10y=12

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Which math sentence can be used to determine if the triangle is a right triangle?

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12