Desde la cima de un faro de 120 m de altura, un vigía observa un barco con un ángulo de depresión de 42°. Halle la distancia que hay desde el barco hasta el pie
del faro. Realice el dibujo de la situación.

What is 32+4 x (16 x 1/2) -2 show your work}

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?