Polonium-218 has a half-life of about 3 minutes.

After 15 minutes, how many milligrams of a 120 mg sample will remain?

A. 1.875 mg

B. 3.75 mg

C. 4.8 mg

D. 7.5 mg

The list price for a dress is $90 if a discount of $10.80 was given for paying cash what percent of the list price was the discount

There are 15 tigers and 4 cages. How many ways can the tigers be put in the cages so that no two cages have the same number of tigers?

Michael owns dogs hamsters and fish in the ratio 2:3:6 he has 2 more hamsters than dogs how many fish does Michael have

Using complete sentences, explain how to evaluate (3-7) (x^ (2) when x=3 and y=1/2 Restate the algebraic expression in words. Rewrite the expression using the values for the variable.

Keith plans to attend the Lewis County Fair and is trying to decide what would be a better deal. He can pay $39 for unlimited rides, or he can pay $13 for admission plus $1 per ride.

Kim sold 20% of the 30 boxes of candy she had to sell. What PART of the candy did Kim sell?

Which would be appropriate compatible numbers to use to estimate (19 4/5) (4/6) A. 16 (1/3) B. 19 (2/3) C. 20 (1/2) D. 20 (1)

According to an airline, flights on a certain route are on time 85 % of the time. Suppose 17 flights are randomly selected and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment.

Is 0.9 0.06 11/20 0.21 greater than 1/2 or smaller

Lynn used 3/8 cups of flour and 1/3 cup of sugar in a recipe what number is a common denominator for 3/8 and 1/3