Ayúdenme porfavor tengo que resolver esto en un instante ayuda

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12