An electronics company kept comparative statistics on two products, a and b. for years 0 to 8, the total number of product a ever sold (in thousands) is given by the function a(x) = 74x + 250, where x is the number of years since year 0. for that same period, the total number of product b ever sold (in thousands) is given by the function b(x) = -30x + 434, where x is the number of years since year 0. find and interpret a(1.8) and b(1.8).

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

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 −

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?