25 pontos de nitro xdxdxdxd

Don't know how to find x given these segment lengths

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8