Find the expected value of the winnings from a game that has the following
payout probability distribution:
Payout ($) 0
1
2
5
10
Probability 0.12 0.2 0.38 0.2 0.1
Expected Value = [?]
Round to the nearest hundredth.

How do i solve uniform motion problems?

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z