Escribe una ecuación para cada enunciado a) El doble de un número, aumentado en 1, equivale a 7
b) El triple de un número, aumentado en 15, es igual a 45
c) El doble de un número, disminuido en 8, equivale a 12
Plis ayudenme con eso :))

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”

Ithink it's d. changemodify means to change.hope it ! : )

They are bacteriathey belong to another group of living things or its neither

The answer is pizza!