The half life of Meitnerium is 30 minutes. This means the amount of Meitnerium halves every
30 minutes. If H(t) - 9000(0.5)+30 describes
how much Meitnerium is left aftert minutes,
how much Meitnerium was there at the start?
(A word problem )

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have