Express as a sum of logarithms.log210x
A. log2 10 + log2 x
B. log1 10 + log1 x
C. log2 10 - log2 x
D. log1 10 - log1 x
Answer: A
Mathematics
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Multiply and write answer in lowest terms.1
× 
A. 2
B. 
C. 1
D. 
Mathematics
Find the angle between the planes.3x - 8y - 8z = 9and- 4x + 2y - 9z = 4
A. 0.955 B. 0.383 C. 1.460 D. 1.187
Mathematics
Solve the equation.4x + 2(3x - 6) = 2 - 4x
A. 1
B. - 
C. - 
D. - 1
Mathematics
Find the indicated vector in terms of i and j.If u = -9i - 2j and v = 7i + 8j, find u + v.
A. -16i - 3j B. 16i + 6j C. -3i + 6j D. -2i + 6j
Mathematics