The population of grovestown was 4200. it dropped 80 each year for 6 yr. what was the population after 6 yr.?

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

Icould really use some with this question.

X-10/4 when x = –18 a 7 b –2 c –7 d 2