Find the difference between the actual values of the two sixes in the number 6036

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?

Ten times the square of a non-zero number is eqaul to ninety times the number

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?