Un comerciante compró dos rollos de cable para electricidad: uno de 135 my el otro de 165 m. Si desea confeccionar extensiones de la mayor longitud posible sin que le sobre o le falte cable. ¿Cuántas podrá confeccionar?´ayuda plis

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park.then she walked the same distance home.how many miles did she walk in all?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?