exam Maths Puzzle Numerical Ability

Solve inequalities
9x^2+24x+16<0
8-x/5x-6>0

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exam Other Question

a portfolio is expected to return 5 percent in a normal economy,lose 10 percent in a boom economy,and return 20 percent in a recessionary economy.the probabilty of a recession is 3 what is the absolute values of
10.4 and -3 3/4?