Triangle RST is similar to triangle RVW . what is the value of d in millimeters

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

What’s the volume of the triangular prism?

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.