If D is dollar to buy movie tickets then
nina should have D≥15$
she should have 15$ atleast to buy a movie ticket.
B because oil has a lower density than water so oil is on top while water has a higher density and goes down
In order to find the volume of a triangular pyramid, you must use the formula (abh)/6. Therefore, I believe the answer is 12 (if [a = a] [b = h] and [c = b]).
It would be two trapezoids and a rectangle + two triangles