Question

[7.03] A film set designer is using white and colored tiles in a pattern to create paths of different lengths. If x is the length of the path in feet, the number of colored tiles needed to make it is calculated using the rule

(6x2y3)(4xy3)

where y represents the number of white tiles.

Which simplified expression represents the number of colored tiles used for a path of length x feet?

24x2y6

24x3y6

24x2y9

24x3y9

Answer 1

[3.03] The zip code of a location consists of five digits chosen from the set D shown below.
D = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

The set M represents the digits in one of the zip codes for Miami.
M = {3, 3, 1, 9, 0}

The set C represents the digits in one of the zip codes for Cooper City.
C = {3, 3, 3, 3, 0}

How many prime numbers are in the set complement of M union C?