Write an algebraic expression, using x as the variable.The sum of a number and 64
A. 64x
B. 64 - x
C. 64 + x
D. 64
Answer: C
Mathematics
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Solve the equation.|x| = 5
A. {-5, 5} B. {-5} C. {5} D. {25}
Mathematics
Completely factor the polynomial or state that the polynomial is prime.81x2 - 90x + 25
A. (9x + 5)(9x - 5) B. (9x - 6)2 C. (9x + 5)2 D. (9x - 5)2
Mathematics
Solve the problem.Find a so that the vectors v = i - aj and w = -5i - 3j are orthogonal.
A. - 
B. 
C. - 
D. 
Mathematics
Convert the given number to scientific notation.0.0000000557011
A. 5.57011 × 10-8 B. 5.57011 × 108 C. 5.57011 × 10-9 D. 5.57011 × 10-7
Mathematics