Use a common unit right triangle to find the value.sin 30°
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Express the number in scientific notation.890,000,000
A. 8.9 × 108 B. 8.9 × 107 C. 89 × 107 D. 8.9 × 109
Mathematics
Provide an appropriate response.The graphs f(x) = 4x and g(x) = 
x are symmetric with respect to _________ .
A. the y-axis B. the origin (0,0) C. the x-axis D. y = x
Mathematics
Write a numerical expression for the phrase and simplify it.5 subtracted from the product of -9.2 and 8.5
A. (-9.2)(8.5) - 5; -83.2 B. [5 + (-9.2)](8.5); -35.7 C. (5)(-9.2)(8.5); -391 D. 5 - (-9.2)(8.5); 83.2
Mathematics
Solve the equation.x2 + 12x + 45 = 0
A. {-6 + 3i} B. {-6 - 9i, -6 + 9i} C. {-9, -3} D. {-6 - 3i, -6 + 3i}
Mathematics