The half-life of Pu-241 is 14.4 years. Suppose we have a 5 mg sample. Which of the following is the function that models the amount remaining after t years?

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

What is the lcm of 16 and 40 ? 24 and 40 ?

Which of the following represents the factorization of the trinomial below? x^2+7x-30