The speed s (in miles per hour) of a car driving on ice can by given by s = 2.121 d, where dis the stopping distance (in feet). What is the approximate stopping distance of a car traveling 30 miles per hour? Round your answer to the nearest hundredth.
21
about How many feet?

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)

table 3 represents a direct variation function. : )

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40