Simplify using the order of operations.23 - 32 + (-8) ÷ 
A. 3
B. 28
C. 10
D. 18
Answer: C
Mathematics
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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
Mathematics
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.13x2 - 6xy + 7y2 - 8x + 8y = 0
A. x = 
x' - 
y' and y = 
x' + 
y'
B. x = -y' and y = x'
C. x = 
(x' - y') and y = 
(x' + y')
D. x = 
x' - 
y' and y = 
x' + 
y'
Mathematics
Solve.x + 3 = 28
A. 31 B. 15 C. 25 D. 84
Mathematics
Decide whether the statement is true or false.{12, 15, 14} ? {14, 12, 15} = {12, 14}
A. True B. False
Mathematics