Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Answer: B
Mathematics
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Solve for x.2-3x + 5 = 
A. x = 8
B. x = 3
C. x = -3
D. x = 
Mathematics
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 3yi + yj + zk; C: the counter-clockwise path around the boundary of the ellipse 
+ 
= 1
A. 90? B. 30? C. -90 D. -90?
Mathematics
Solve.3(3x + 2) + 2 = 7x + 4
A. -4 B. -8 C. -2 D. 2
Mathematics
Solve the system of equations by substitution.
x + 
y = 32
x - 
y = 40
A. (100, -27) B. (-100, 27) C. (100, 27) D. (-100, -27)
Mathematics