Decide whether or not the ordered pair is a solution of the system.(4, -6)
A. Yes
B. No
Answer: A
Mathematics
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Find the work done by the force field F in moving a particle along the curve C.F(x, y) = (x + y)i + (x - y)j; C is the quarter ellipse, x = 6cos t, y = 3sin t, 
A. 
B. - 
C. 
D. - 
Mathematics
Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(A) + n(B) - n(A ? B)
A. True B. False
Mathematics
Multiply.(4p - 1)(16p2 + 4p + 1)
A. 64p3 + 20p2 - 1 B. 16p3 - 1 C. 64p3 + 1 D. 64p3 - 1
Mathematics
Convert. When necessary, round the answer to two decimal places.4500 pounds = ____ tonsGive your answer as a mixed number.
A. 2
B. 1
C. 4
D. 3
Mathematics