The way your question is worded, the probability is zero. One ace is not two aces.
Step-by-step explanation:
Given
h = 5 mi
r = 6 mi
Surface Area of Cylinder =

Answer:
10x+391≥503
Step-by-step explanation:
let x = # of sets
If you need at least 503 knives, both the sets of knives and the initial amount we already have (391) must add to have a number of knives greater than or equal to the minimum required amount.
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams