Please help very urgent

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.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)