A las 5 de la mañana parte de un punto un carro con una velocidad de 30 km/h con movimiento uniforme. A las 7 de la mañana parte otro del mismo punto que el primer carro. con una velocidad de 50 km/h . calcular a que hora lo alcanza el segundo carro al primero. Calcular a que distancia del punto de partida es el alcance?  ayuda por favor ​

What properties allow transformation to be used as a problem solving tool

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)