En la esquina de un hotel que mide 70 m de altura se encuentra un semáforo, a las 5 de la tarde ambos proyectas una sombra en la misma dirección, ¿cuál será la altura del semáforo?, considerando que la sombra que proyecta el hotel es de 74 m mientras que la del semáforo es de 3 m.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.