Se desea mezclar agua con Colonia A, con un 12% de alcohol, con otra Colonia B, con 20% de alcohol, para obtener 120 litros de Colonia con un 15% de alcohol. Calcula Cuántos litros de cada clase de Colonia hay que mezclar

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days