Una empresa hace un pago total por concepto de salario a sus empleados por valor de $13.000.000; con esta información y para determinar cuál es el salario
promedio de los empleados, se requiere conocer, adicionalmente:
A. el salario más frecuente entre los empleados de la empresa.
B. el máximo salario que ganan los empleados.
C. la mediana de los salarios de los empleados.
D. la cantidad de empleados de la empresa.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

large crystals result from very slow cooling.

evaporation of water: this would produce an evaporite which is a sedimentary rock. like a salt pan in a desert. not possible to have volcanic rocks originate this way.

crystalization in molten earth: slow cooling over time. (hundreds to millions of years)

crystalization at earth's surface: this results in fast cooling. (a few hours to a few months or years)

crystalization from cooling off hot water: that would be a hydrothermal deposit. while associated with volcanics they are not volcanic rocks themselves and usually occur fairly rapidly.

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