Find all square roots of the number.
A. - 
, 
B. - 
, 
C. - 
, 
D. - 
, 
Answer: B
Mathematics
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Convert the length as indicated. Round the answer to two decimal places.99 kilometers to miles
A. 251.46 mi B. 29.7 mi C. 61.38 mi D. 159.39 mi
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. x2/5 + x-1/5
A. x-1/5(x3/5 + x) B. x-1/5(x3/5 - 1) C. x-1/5(x3/5 + 1) D. x-1/5(x3/5)
Mathematics
Use natural logarithms to solve the exponential equation symbolically.5-x = 
A. x = ln 
B. x = - 
C. x = - ln 5
D. x = 
Mathematics
Perform the indicated calculation.Calculate 2a34a31 - a12 for the matrix A = 
.
A. There is no element a34. B. -9 C. -12 D. -6
Mathematics