What should the radius of the container be ?

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?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i