The hypotenuse of a triangle is 30 cm long and the length of leg A is 15 cm. How long is leg B? (round the the nearest tenth) PLEASE ILL GIVE BRAINLIST ILL GIVE BRAINLIST THIS IS VERY URGENT

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

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 −

What is the domain of the step function f(x)=[2x]-1?