Use the given matrices to compute the given expression.Let A = 
. Find 2A.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Determine whether the fractions are equal.
and 
A. Yes B. No
Mathematics
Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.At a local market, the average weekly grocery bill is $57.85 with a standard deviation of $14.25. What is the lowest amount spent by the upper 25% of market customers?
A. $9.55 B. $67.82 C. $67.40 D. $67.54
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 5.809 mi B. 23.236 mi C. 10.747 mi D. 11.618 mi
Mathematics