Evaluate the expression using the given values.
; x = 5, y = 9
A. 63
B. 26
C. 58
D. 29
Answer: D
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Solve the problem.Every hour, the population of a certain country increases by about 6192. If this country's death rate is 2037 deaths per hour, what is this country's (hourly) birth rate?
A. 5074 births per hour B. 7731 births per hour C. 8229 births per hour D. 4155 births per hour
Simplify the expression by combining any like terms.2x2 - 4x - 7 + 6x - 6 + 4x2
A. 6x2 + 2x - 13 B. -5x3 C. 6x4 + 2x2 - 13 D. -3x2 + 8x - 10
Use the given conditions to find an equation in slope-intercept form of each of the nonvertical lines. Write vertical lines in the form x = h.m = 
; y-intercept = -4
A. y = - 
x - 4
B. y = 
x - 4
C. y = - 
x + 4
D. y = 
x + 4
Write the expression in expanded form.log 
A. 6 log x + log z - 3 log y B. 6 log x ? log z - 3 log y C. log(6x + z) - 3 log y D. (log x)6 + log z - (log y)3