Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.x1/8 ? x7/8
A. x
B. 
C. x7/64
D. x7/8
Answer: A
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Find the flux of the vector field F across the surface S in the indicated direction.F = 5xi + 5yj + z5k; S is portion of the cylinder x2 + y2 = 1 between z = 0 and z = 3; direction is outward
A. 30? B. -30? C. 15 D. 30
The medical records of infants delivered at Kaiser Memorial Hospital show that the infants' lengths at birth (in inches) are normally distributed with a mean of 20 and a standard deviation of 2.7. Find the probability that an infant selected at random from among those delivered at the hospital measures more than 21 in. Round your answer to four decimal places. ?
A. 
B. 
C. 
D. 
E. 
Solve the radical equation.
- 
= 2
A. {2} B. {-3} C. {-2, 2} D. {-2}
Find the function value.
f(2) if f(x) = Y1
A. -4 B. -6 C. -3 D. -5