Use the properties of exponents to simplify the expression. Write with positive exponents.x5/8 ? x3/8
A. x15/64
B. 
C. x
D. x15/8
Answer: C
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Determine whether the proportion is true or false by writing the ratios in lowest terms.
= 
A. True B. False
Solve the triangle. Approximate values to the nearest tenth when appropriate.? = 115.4°, a = 4.50, b = 8.07
A. c = 13.7, ? = 24.1°, ? = 40.5° B. c = 16.6, ? = 20.1°, ? = 44.5° C. c = 10.8, ? = 22.1°, ? = 42.5° D. No solution
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 11)2
A. vertex: (11, 0)
axis of symmetry: x = 11
B. vertex: (0, 0)
axis of symmetry: x = 0
C. vertex: (0, -11)
axis of symmetry: x = 0
D. vertex: (-11, 0)
axis of symmetry: x = -11
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(5 + 
)(5 - 
)
A. 25 - 
B. 16
C. 22
D. 25 - 