Frank needs a total of $360 to cover his expenses for the week. he earns $195 a week working at a restaurant and also walks dogs to supplement his income. frank charges $15 per dog that he walks. which equation can be used to find the number of dogs, d, that frank needs to walk to cover his expenses, and how many dogs is that?

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −