Factor the polynomial completely.40x2 - 76x + 24
A. 4(5x - 3)(2x - 2)
B. (5x - 2)(8x - 12)
C. (20x - 8)(2x - 3)
D. 4(5x - 2)(2x - 3)
Answer: D
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Find the base 10 logarithm of the given number.The DNA of a species of mouse averages 1.9 × 106 mutations per replication.
A. 6.28 B. 14.46 C. 7.9 D. 22.52
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.63x + 4.88 B. y = 0.43x + 4.98 C. y = 0.53x + 4.88 D. y = 0.73x + 4.98
Write the equation of the line with the given slope and y-intercept.slope 
;y-intercept (0, -14)
A. y = 
x - 14
B. y = - 
x - 14
C. y = 
x + 14
D. y = - 
x + 14
Solve.An equation used in the study of Class C amplifiers is R = 
,where R is the internal resistance of the tube and ? is the angle that indicates the portion of the cycle during which the current is allowed to flow. Express R in terms of sin ? and cos ?; in other words, eliminate the double angle.
A. R = 
B. R = 
C. R = 
D. R = 