A chemist mixes a 40% acid solution and a 30% acid solution. How many liters of the 40%
solution must be added to produce 50 liters
of a solution that is 36% acid?

Afood web shows who eats who in any given habitat. every living thing, from one-celled algae to giant blue whales, needs food to survive. each food web is a possible pathway that energy and matter can follow through the habitat. a food web begins with producers: organisms that convert sunlight into usable chemical energy. the food web is completed by the decomposers who turn organic wastes, such as decaying plants, into inorganic materials, such as nutrient-rich soil. decomposers complete the cycle of life, returning nutrients to the soil or oceans for use by producers. in this food web, identify the decomposer.

Pest analysis, a framework for understanding different facets of the world in which a business operates, looks particularly at political, social, and technological factors.

What is the measure of ∠m? 81° 65° 53° 98° answer plz