rafael y marisa cobran $14000 por un trabajo de reparto de publicidad Rafael ha repartido 3 paquetes de folletos y marisa 4 paquetes ¿cuanto dinero le deberia corresponder a cada uno? Alguien me podría ayudar con esto comenten porfaa

Taking algebra two apex courses and need with these questions

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?