Techechtium-99m has a half-life of 6 hours. If 1000mg is in use, in how many hours will 62.5mg remain?

If you have 500 million dollars and give 327 million people 1 million dollars each, how much money do you have left?

There are 16 cups in gallon. The equation g = 16c gives the number of gallons in terms of the number of cups. Write another equation for this situation, giving the numbers of cups in terms of the number of gallon: C=

Which of the following values is included in the data set illustrated by this stem-and-leaf plot?  Stem Leaf 1 5 9 2 2 3 7 8 3 5 4 0 1 4 5 0 4 7 0 Key: 1|5 = 15

The sum of six consecutive natural numbers and one prime number. What are the numbers? (The limit of prime numbers is 100)

What equations is equivalent to y = 2x+3

How many cups of ketchup would 13 hamburgers get if there was 3 1/4 cups to be equally split along the 13 hamburgers

A store collected $56 in sales tax alone in one day. If the sales tax is 5.5%, how much did the store sell that day? (Round your answer to the nearest cent.)

The local sales tax is 3.5%. If you buy a video game console at a price of $100, what total should you expect to pay? $135.00 $103.50 $100.35 $450.00

To study the effect of neighborhood on academic performance, 1000 families were given federal housing vouchers to move out of their low-income neighborhoods.

Consider the sets below. U x is any color A x is a color of the rainbow R x Is R ⊂ A? a. yes, because all the elements of set A are in set R b. yes, because all the elements of set R are in set A c.