Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (2, 0), and (0, 5)
A. 0
B. 20
C. 10
D. 50
Answer: C
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Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S4 = - 38, a4 = -17
A. a1 = -2, d = -8.5 B. a1 = -2, d = -5 C. a1 = 49, d = -5 D. a1 = 49, d = -8.5
Solve the problem.Barges from ports X and Y went to cities A and B. X sent 32 barges and Y sent 8. City A received 21 barges and B received 19. Shipping costs $220 from X to A, $300 from X to B, $400 from Y to A, and $180 from Y to B. $9360 was spent. How many barges went where?
A. 21 from X to A 11 from X to B 0 from Y to A 8 from Y to B B. 19 from X to A 13 from X to B 2 from Y to A 6 from Y to B C. 17 from X to A 17 from X to B 4 from Y to A 4 from Y to B D. 16 from X to A 16 from X to B 6 from Y to A 2 from Y to B
Solve the problem.Joel has started a business mowing lawns for the summer. The bar graph below tracks his net income for five weeks. 
Find the difference in Joel's net income between week 1 and week 4.
A. $215 B. $225 C. $423 D. $433
Use the square root property to solve the quadratic equation.(4x - 5)2 = 10
A. 
B. 
C. - 
and 
D. 