If out of 6 flags any number of flages can be shown at a time ,find how many different signals can be made out of them. ​

Solve the triangle. a = 21°, c = 105°, c = 5

Find the maximum value of p= 4x + 5y subject to the following constraints :

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