Answer:
X is less than 9, but greater than 4.
Step-by-step explanation:
Answer:
453
Step-by-step explanation:
First you need to distrubute
4*7*4*4=448+5=453
Proper subset of a set is a subset of that is not equal to. all elements of are in but contains at least one element that is not it
example : if A = { 1,3,5} then B = {1,5} is a proper subset ofz