Evaluate if a= -2; b= 2; c= -1:

A-bc(squared)

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry