Perform the calculation.90° - 7°18'
A. 83°18'
B. 82°18'
C. 82°42'
D. 83°42'
Answer: C
Mathematics
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Use an Euler diagram to determine whether the argument is valid or invalid.All rock stars are performers.
Therefore, Meg is a rock star.
A. valid B. invalid
Mathematics
Find dy.y = x
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Evaluate the expression for the given value or values of the variables.8x + 6y; x = 2; y = 9
A. 126 B. 70 C. 84 D. 28
Mathematics
Solve by the method of your choice.x2 + y2 = 40 -13x + y2 = 82
A. {(-6, 2), (-6, -2), (6, 2), (6, -2)} B. {(-6, 2)} C. {(-6, 2), (-6, -2), (-7, 2), (-7, -2)} D. {(-6, 2), (-6, -2)}
Mathematics