Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y2 + x2, C: the perimeter of the circle x2 + y2 = 25
A. 125?
B. 250?
C. 10?
D. 50?
Answer: B
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Solve the problem.Pete is driving across country from Boston to Seattle. He keeps a record of the distance that he drives each day. Monday 403 miles Tuesday 300 miles Wednesday 249 miles Thursday 239 miles Friday 322 milesWhat was his total mileage for the first three days of the week?
A. 942 miles B. 1513 miles C. 952 miles D. 1052 miles
Find the exact value of the expression.sin (-2040°)
A. 
B. -1
C. 
D. 
Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 10, ? = 120°
A. v = -5
i + 5
j
B. v = 5i - 5
j
C. v = -5i + 5
j
D. v = 5
i - 5j
The population of Americans age 55 yr and over as a percent of the total population is approximated by the function 
where t is measured in years, with 
corresponding to 2000.
?
Compute 
. Round your answer to six decimal places.
?
A. 
per year in the second power
B. 
per year in the second power
C. 
per year in the second power
D. 
per year in the second power
E. 
per year in the second power