How to solve this problem. Please! Urgent
log 3+ loga(a^3)

Find the multiplicative inverse of 8-12i

Write 5 in the form of a/b using integers to show it as a rational number

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.