Hola alguien me podrá ayudar con esto porfa lo necesito para antes de las 22:00 con todo el procedimiento completo porfavor 1) Simplifica:
A) 256/124
B) 522/621
2) Amplifica:
A) 7/5
B) 11/8
Por favor enserio es urgente

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.