Let the set
A

be defined as follows.
A={13,19,43,47}
Find the total number of subsets of A
Find the total number of proper subsets of A

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's