Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5 
A. 3log55 - 
log5(x - 1)
B. log5125 - log5
C. 3 - 
log5(x - 1)
D. 3 - log5
Answer: C
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Use elimination to solve the system of equations.x - 4y = -44x - 3y = -16
A. (-3, -4) B. Inconsistent; no solutions C. (-4, 0) D. (-3, -1)
List all the factors of the number.63
A. 3, 5, 7, 9, 11, 21, 63 B. 1, 3, 5, 7, 9, 11, 21, 63 C. 1, 3, 7, 9, 21, 63 D. 1, 2, 3, 7, 9, 21, 36, 63
Use the cofunction and reciprocal identities. Round to the nearest ten-thousandth when appropriate.sin 26° = cos 
= 
A. 116°, csc B. 64°, sec C. 64°, csc D. 154°, csc
Find the x- and y-intercepts and write them as ordered pairs. (Do not graph.)-2x + y = 8
A. x-intercept: (0, -8); y-intercept: (0, -8) B. x-intercept: (- 4, 0); y-intercept: (0, 8) C. x-intercept: (-8, 0); y-intercept: (-8, 0) D. x-intercept: (8, -8); y-intercept: (-8, 8)