exam Maths Puzzle Numerical Ability

Solve
33x - 6(4x - 0.305) = 8x + 0.105

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exam Other Question

Solve the following system of linear inequalities by graphing
x-2y>4
x<4

Please help on this please help.

suppose a bag contains 6 marbles.one is white,two are red,and three are yellow.each time a marble is taken out,it is replaced.find P (red and yellow)

thanks in advance for the help.