A car moves with a speed of 30 km/h ^-1 for half an hour,25 km/h^-1 for one hour and 40 km/h^-1.Calculate the average speed of car.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.