Please anyone help me this is due tomorrow and I don’t know how to do this

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1