La edad de Maira excede en tres años a la edad de José, si ambas edades suman 29 años determina mediante una ecuación la edad de cada uno de ellos. Plis es para mañana :c​

he . if i may ask what i your question exactly?

explanation:

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

hope this ! this is not copied! search it up, it's free of plagiarism!