Solve.A machinist who had been producing 50 parts per day increased output to 85 parts per day by using a faster machine. How many times faster is the new machine? Express your answer as a mixed number.
A. 1
times faster
B. 2
times faster
C. 2
times faster
D. 1
times faster
Answer: D
Mathematics
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Solve the problem.The annual precipitation for one city is normally distributed with a mean of 267 inches and a standard deviation of 3.4 inches. In what percentage of years is precipitation in the city between 260.2 inches and 
?
A. 97.5% B. 95% C. 68% D. 99.8%
Mathematics
Solve and graph the solutions.
> 1
A. 
B. 
C. 
D. 
Mathematics
Rewrite the expression using the power rule.ln 71/8
A. ln 
B. 
ln 7
C. ln 56
D. 8 ln 7
Mathematics
Solve the radical equation. Check all proposed solutions.
- 
= 8
A. x = 6 B. x = -5 C. no solution D. x = 5
Mathematics