What is the mean for this list of numbers? 3 , 6 , 12

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2