HELP I WILL GIVE BRAINLIEST ok can you tell me if what i already have is correct, also can you fill in the 2 blanks?

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap