Manuel tarda 30 minutos en llegar de su casa a la escuela caminando con una rapidez de 5 km/h. Si en bicicleta su rapidez es de 20 km/h, ¿Cuánto tiempo se tardará en recorrer el mismo trayecto? *

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Find the value of the cosine for angle a

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?