there were 216 people at the start of the party i had last weekend. when 40% of the males and 3/4’s of the females left, there were 96 people left. how many males and how many females were there at the party beginning of the party?

See attachment below and find the equivalent of tan(∠qsr)

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

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 −