Astudent took 60 minutes to answer a combination of 20 multiple choice and extended response choice questions she took two minutes to anwer each multiple choice and 6 minutes to anwaer each extended response.
a) write a system of equations to model the relationship between the number of multiple choice questions m and number of extended response questions r
b) how many of each type of question was on the test

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

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