When proving the product, quotient, or power rule of logarithms, various properties of logarithms and exponents must be used. which property listed below is used in all of these proofs?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)