What is the wall height for H??

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.

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1