The time it takes mike to ride his bicycle varies directly with the number of miles. mike's data is shown in the table. if x = time, and y = the number of miles, which equation models mike's direct variation?
a) y = 12x
b) y = 1.2x
c) y = 12 + x
d) y = 1.2 + x

50 poits plz

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8