Does the positive integer n have at least four positive prime factors?

If one of the numbers in list M is 30, is the range of the numbers in M greater than 12?
(1)
The greatest number in M is 50.
(2)
The least number in M is 25.
In the coordinate plane, if P and Q are the points where the graph of y= c+ 2x- 8 intersects the y-axis, and the positive x-axis, respectively, what is the slope of the line containing P and Q?

The chart above shows political and geographic data on a certain legislative committee of 20 members, each of whom belongs to 1 of 2 political parties and lives in 1 of 4 regions. How many subcommittees of this legislative committee are possible that contain exactly 1 member from each of the 4 regions and the same number of members from each of the 2 political parties?
As per following figure below:

What is the best answer
A)

B)

C)
D)
E)


Which of the following is the area of the triangle?
A)

B)
29
C)

D)
58
E)


Each element in A belongs to C.
Each element in D belongs to B.

A +b is an even integer.
ab is an even integer.

