Sammy usually takes a 18 minute shower in the morning. if a 4 minute shower uses an average of 20-40 gallons of water, what is the maximum gallons of water that sammy could be using in her shower?

a.
72 gallons of water
b.
360 gallons of water
c.
90 gallons of water
d.
180 gallons of water

Which of the following best describes the figure?

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 −

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height