exam Maths Puzzle Numerical Ability

Please solve and graph the inequality. thanks!

-3 < 2x - 1 < 9

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Four less than nine times a number is one hundred twenty two find the original number. Please solve my assignment. Thanks.
A cylindrical flower base is 6 in. high and a diameter of 2 in. How many cubic inches of water is needed to fill up the vase an inch less from its mouth?