12. You encounter a bottle of liquid. This bottle contains substances that separate upon standing, What category of matter is this bottle of liquid? A. Element
B. Homogenous mixture
C. Compound
D. Heterogeneous mixture

In a economy individuals answer the three basic and the central authority or leaders have little say in the economy.

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle