La suma de las edades del padre y de su hija es de 56 años. Hace 10 años la edad del padre era el quíntuple de la edad de la hija. Hallar las edades actuales. Por favor ayúdame con este tema es de matemáticas tema problemas lineales 2x2

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to