El Sr. Negrón tiene que redactar una serie de cartas en su oficina. A lourdes le toma 6 horas pasar todas las cartas. A su compañera Rosabel, le toma 9 horas en realizar la misma tarea. Si
ambas trabajan juntas para hacer todo el trabajo de la oficina,
A. ¿Cuánto tiempo le tomará a ambos realizar el trabajo?
B. Explica con palabras, números o símbolos como obtuviste la respuesta."
Please help me . Spanish

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0