Mari y su padre se llevan 25 años. calcula la edad de mario sabiendo que dentro de 15 años la edad de su padre sera el doble de el. Ya se que mario tiene 15 lo que quiero es una explicacion algebraica

i believe it is b. what was the cause of the big bang

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firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

the answer is 12 as i may remember

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