Radium-226 is a radioactive isotope that decays. Using the equation y=ae−0.000385t , find the half life of Radium-226.

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)