Book Maths Puzzle Algebra

Solve ln(3x+8)=ln(2x+2)+ln(x-2) for x

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this refers to similar figures. I need to know the ratio of perimeters and areas of the scale factor 1:4, and r:2s, and i need to know the raiot of areas and the scale factors of ther ratio of perimeters 3:13, and using the ratio of areas 9:64 i need to know ratio of perimeters and the scale factors. Then my next question is this, L, M, and N aare the midpoints of the sides of triangle ABC. Find the ratio of the perimeters and the ratio of the areas of triangle LMN and triangle ABC.

Also, A quadrilateral with sides 8 cm, 9 cm, 6cm, and 5cm, has and area of 45cm2. Find the area of similar quadrilateral whose longest side is 15cm. y to the 5 power. multiplied by y to the 3 power.