exam Maths Puzzle Numerical Ability

how do i find the vaue of x. then classify the triangle by its angles. when one side is a right angle, one is (3x+2) and the last angle is x inside of the triangle what is the meaurment of the exterior angle 1

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We are in interval notation and I am havibg a hard time with. Could you please help?

We are to use interval notaion for the solution sets.

2<(5-2x)<7

Here is another one 2x-3<5 or 3x-2>13

Thanks Dear Tutors,

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The area of a rectangular playground is 2,700 ft2. The length is 3 times the width. What are the dimensions of the play ground? Please help!!!THANKS