An epidemiological study involved the comparison of per capita annual income and annual rate of teenage pregnancy in Massachusetts counties in 2012. What type of study is this? a. Case report
b. Case series
c. Ecological study
d. Cross-sectional study

1696 hundred thousand

step-by-step explanation:

898.1666667

step-by-step explanation:

5389/6 = 898.1666667

$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