Solve the equation.
= 
A. {3}
B. {-3}
C. {-3, 3}
D. ?
Answer: C
Mathematics
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Determine the period of the function.Period of y = 7 cos 
A. 
B. 
C. 
D. 
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Rewrite the expression with a positive rational exponent. Simplify, if possible.
A. 
y1/5
B. (6y)1/5
C. 6y1/5
D. (6y)5/2
Mathematics
Write the following as a rate in lowest terms.304 yards in 38 seconds
A. 
B. 
C. 
D. 
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Find an equation of the line satisfying the conditions. Write the equation in slope-intercept form.Through (1, 9); perpendicular to x = 5
A. y = -1 B. y = 9 C. y = 1 D. y = -9
Mathematics