El señor y la señora baker acompañaron a algunos niños a un concierto. Cada entrada de adulto cuesta $7 y los niños a la mitad del precio de adultos. Escribe una ecuacion lineal del costo total, C dolares, en funcion del numero de niños, N

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations