Areal estate salesperson bought promotional calendars and date books to give to her customers at the end of the year. the calendars cost $0.40 each, and the date book cost $0.75 each. she ordered a total of 300 promotional items and spent $190. how many of each item did she order?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1