Álvaro le regaló a su primo Jorge un ordenador que costó 1347 euros y un móvil que le costó 866 euros menos que el ordenador. Si tenía 2000 euros para pagar, ¿cuánto dinero le sobra? Si el euro equivale a $3750 colombianos. ¿Cuántos pesos colombianos le quedaron a Álvaro?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

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.