Add or subtract. 7
+ 8
A. 15
B. 7
C. 14
D. 16
Answer: A
Mathematics
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Provide an appropriate response.Find the slope of the curve xy3 - x5y2 = -4 at (-1, 2).
A. - 
B. - 
C. 
D. - 
Mathematics
Add or subtract measurement numbers, rounding to the correct precision.31.7 psi - 6.9 psi
A. 24.9 psi B. 24.7 psi C. 24 psi D. 24.8 psi
Mathematics
Solve the problem. Round to the nearest hundredth, if necessary.Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending machine will only accept coins weighing between 5.49 g and 5.82 g. What percentage of legal quarters will be rejected?
A. 0.57% B. 2.13% C. 1.4% D. 1.43%
Mathematics
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Mathematics