The number of members of an online communtiy increases each month the function m(t)

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)