Arectangle abcd, which measures 9 ft and 12 ft, is folded once perpendicular to diagonal ac so that the opposite vertices a and c coincide. find the length of the fold.

2/3,-3/4,2 derive the polynomial function with integral coefficients given the following zeros​

If the strip of triangles as shown is folded to form an octahedron and each vertex is assigned the value of the sum of the four triangle faces to which is belongs, find the maximum value of a vertex​

For each of the following situations, state the indepedent variable and the dependent variable.a. a study is done to determine if elderly drivers are involved inhore motor vehicle fatalities than other drivers. the number offatalities per 100,000 drivers is compared to the age of drivers.​