Write the following Series in sigma notation.
3+12+21+30+39+48

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Abowl contained 270 starbursts of all different colors. if the probability of picking a yellow is 1/9, then how many yellow starbursts are in the bowl ? ?