The amount of carbon-14 present in animal bones after t years is given by -0.00012
y=y. e
A bone contains 22% of its carbon-14. How old is the bone?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36

Which of the following circles have their centers in the third quadrant? check all that apply.