Write as the sum and/or difference of logarithms. Express powers as factors.log4
A. log410 + 
log4x
B. 
log410x
C. log4
+ log4
D. 
log410 + 
log4x
Answer: D
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Evaluate.66 - 7 ? 5 + 135 ÷ (-15)
A. 22 B. -13 C. -551 D. 286
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.B = 64.23°, b = 28.57 cm
A. A = 25.77°, a ? 13.79 cm, c ? 65.71 cm B. A = 25.77°, a ? 13.79 cm, c ? 31.73 cm C. A = 25.77°, a ? 59.18 cm, c ? 65.71 cm D. A = 25.77°, a ? 59.18 cm, c ? 31.73 cm
Round to the indicated place.The Great Pyramid of Khufu in Egypt is 137.11 meters tall. Round this measurement to the nearest tenth of a meter.
A. 137 m B. 137.0 m C. 137.1 m D. 137.11 m
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.x2 + 2xy + y2 - 8x + 8y = 0
A. x = 
(x' - y') and y = 
(x' + y')
B. x = -y' and y = x'
C. x = 
x' - 
y' and y = 
x' + 
y'
D. x = 
x' - 
y' and y = 
x' + 
y'