Lauren is building a tree house with her dad. the dimensions of the floor are 9 feet by 6 feet. what is the area of the floor, measured in squared yards?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?