- Una familia de 8 personas tiene con un tonel de vino para 27 días, consumiendo 1 litro cada día. ¿Cuánto vino deberán de consumir diariamente, si la familia aumenta en 2 personas y la misma cantidad de vino ha de durar para 30 días?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same