Multiply as indicated. If possible, simplify any square roots that appear in the product.(
+ 
)(
- 
)
A. 
+ 
- 
- 7
B. 
+ 
+ 
- 7
C. 
+ 
- 
+ 7
D. 
+ 
+ 
+ 7
Answer: A
Mathematics
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Solve the right triangle with the given sides and angles.a = 3.3 in., ? = 71.6°
A. b = 0 in., ? = 18.4°, c = 3.3 in. B. b = 2.9 in., ? = 18.4°, c = 3.5 in. C. b = 1.1 in., ? = 18.4°, c = 3.5 in. D. b = 2.9 in., ? = 18.4°, c = 4.4 in.
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Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 12x
A. vertex (6, 36)
intercept (0, 72)
B. vertex (-6, 36)
intercept (0, 72)
C. vertex (-6, -36)
intercepts (0, 0), (-12, 0)
D. vertex (6, -36)
intercepts (0, 0), (12, 0)
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Solve the equation.-40 = 5k
A. k = -45 B. k = 45 C. k = 1 D. k = -8
Mathematics