Factorización trinomio de la forma ax2+bx+c por el método de agrupación de termino 2x² - 9x - 5=?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

The trigonometric ratios sine and secant are reciprocals of each other