A square is inscribed in a circle. The same square is also circumscribed about a smaller circle. One side of the square equals 10 miles. What is the area of the large circle?

Find the nonpermissible replacement for binthis expression.b2/5b +5

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

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)