11. Analyze the graph below. What equation represents the graph? 8.51 y
-21
-6
9
24
39
х
2
5
8
A. y = 5x-1
B. y = 3x - 21
C. y=x-17
D. y = 15x -21

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Can some one me with these questions

We just started the introduction into circles and i have no idea how to do this.