Solve.A weather forecaster predicts that the temperature will drop 3 degrees each hour for the next 3 hours. If the temperature is -5 degrees before the temperature starts falling, what is the temperature after the drop?
A. -9°
B. -14°
C. 9°
D. -11°
Answer: B
Mathematics
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Find the vertex of the parabola.f(x) = 6x2 - 5
A. (-5, -5) B. (0, 0) C. (-5, 0) D. (0, -5)
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Rewrite the expression as a single logarithm.log6(6) - log6(z)
A. log12 
B. log6 
C. log6(6 - z)
D. log6 
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Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 5,500,000
A. 6.7404 B. 4.0073 C. 15.5203 D. 0.0642
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A basket contains five red balls, four white balls and three blue balls. Two balls are drawn, one after the other, with the first ball replaced before the second is drawn.Find the probability of drawing two white balls.
A. 
B. 
= 
C. 
D. 
= 
E. none of these
Mathematics