Which situation is best modeled by the inequality b≤18?

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.

In the diagram below de and ed are tangent to 0 which expression gives the measure of def

When you divide a fraction less than 1 by a whole number greater than 1 is the quotient less than,greater than, or equal to the dividend?