What is the center and the diameter for this equation
(x+1) squared+(y-1)squared=256

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =