Element X decays radioactively with a half life of 9 minutes. If there are 610 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 124 grams?

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

What is the measure of the smallest angle in the diagram? 15 29 32 45

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?