Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.x2 + y2 = 7y = 
A. {(-2.13, 1.57), (1.76, 1.98)}
B. {(-2.13, -1.57), (1.76, -1.98)}
C. {(-1.76, -1.98), (2.13, -1.57)}
D. {(-2.29, -1.32), (2.29, 1.32)}
Answer: A
Mathematics
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The figure below is a regular hexagon ABCDEF with center O. (P, Q, R, S, T, and U are the midpoints of the sides.)
The image of P under the reflection with axis the line passing through A and D is
A. Q. B. U. C. R. D. T. E. none of these
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Evaluate the expression using the given values.3xy - 
; x = 21, y = -5
A. 323 B. -325 C. -323 D. 325
Mathematics
Solve the logarithmic equation.log (x - 9) = 1 - log x
A. -10, 1 B. -10 C. 10 D. -1, 10
Mathematics
Solve, finding all solutions in [0°, 360°).4 sin2? = 3
A. 60°, 120° B. 60°, 120°, 240°, 300° C. 240°, 300° D. No solution
Mathematics