6 hombre trabajando durante 9 dias , a razon de 8 horas diarias han echo los 8/8 de una obra . Si se refuerzan con 4 hombres , y los obreros trabajan ahora 6 horas diarias , ¿ En cuantos dias terminaras la obra?

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?