How much of a radioactive substance must be presented to decay to 40 grams in 9 years if the half-life of the substance is 4.6 years?
Between 140 and 145 grams
Between 145 and 155 grams
Between 155 and 165 grams
Over 165 grams

Regular price is $77.00 and the discount is 5% find the sale price

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

How is the number of vertices for a prism related to the name of the prism