Simplify. Write the answer using positive exponents only.
2
5
A. 
B. 
C. 
D. 
Answer: D
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Solve the following system by any appropriate method. If there is no real number solution, so state.x + y = 10x2 + y2 = 6
A. (6, 
), (6, -
), (-6, 
), (-6, -
)
B. (10, 6), (10, -6), (-10, 6), (-10, -6)
C. (10, 
), (10, -
), (-10, 
), (-10, -
)
D. no real solution
Solve using the substitution method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.3x + y = 132x + 9y = -8
A. (-5, -2) B. (5, 2) C. (-5, 2) D. (5, -2)
Describe how the graph of y = -f(x) -4 can be obtained from the graph of f.
(a) Shrink horizontally by a factor of 4, then reflecting about the x - axis, then shifting 4 units up. (b) Reflect about the x - axis, shift 4 units up. (c) Reflect about the y - axis, shift 4 units down. (d) Reflect about the x - axis, shift 1 unit up. (e) Reflect about the x - axis, shift 4 units down.
Express the phrase as a ratio in lowest terms.120 cm to 60 cm
A. 
B. 
C. 
D. 