el corredor mohamed farah va a un velocidad aproximada de 21 km/h .tres horas despues de que sale farah su entrenador parte en un aito movil por la misma ruta .a una velocidad promedio 42 km/h la grafica correcta es​

Factor this polynomial completely x^2-64

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.