exam Maths Puzzle Numerical Ability

10 log .55 = ?
10 log .30 = ?
thank you

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exam Other Question

Could someone help me solve these? I have to graph the inequality and show the graph, your help is greatly appreciated.
1) 4x+y7-8
2)x+4y, less than or equal to 4
3)9x+y<7 2.5x-7.5+1.7x=10.8x+16.2