When full, the gas tank of a car can hold 15 gallons. it now contains 12 gallons. what percent represents how full the tank is?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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 −