Starting from 100 feet away, your friend skates toward you and then passes by you. she skates at a constant speed of 20 ft/sec. write an equation to show her distance d from you in feet after t seconds. at what times is she 40 ft from you?

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1