Abowl contains eight pennies, seven nickles and ten dimes. elyse removes one coin at random from the bowl and does not replace it. she then removes a second coin at random. what is the probability that both will be nickels?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.