En 15 días, un obrero gana s/. 450. ¿cuánto ganará en 25 días?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2