Which of the following 10-g samples of a radio-Isotope will decay to the greatest extent In 28 days? (1) P-32 (2) Kr-85 (3) Fr-220 (4) I-131

Which statement about perfect cubes is true

The volume of a cube is 8 in to the 3rd power. how long is each side?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?