Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 7
C. 
D. 7
Answer: A
Mathematics
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Find the solutions to the system of equations by the addition method.5x + 
y = -34x - 
y = - 
A. (5, 4) B. (-1, 4) C. (1, 3) D. (0, 3)
Mathematics
Find the book value to the nearest dollar.Cost $8,100, life 4 years, scrap value $405 at the end of 3 years, sum-of-the-years'-digits method
A. $4,050 B. $2,329 C. $2,025 D. $1,175
Mathematics
Write the equation of the line in slope-intercept form.m = 
, y-intercept (0, 4)
A. y = - 
x - 4
B. y = 
x - 4
C. y = - 
x + 4
D. y = 
x + 4
Mathematics
Find the location and value of each local extremum for the function.
A. (-3.5, -1.5), (3.5, 1.5) B. (-5.5, -3), (5.5, 3) C. (-5.5, -3), (-3.5, -1.5), (3.5, 1.5), (5.5, 3) D. None
Mathematics