Find the distance between the two points.(1, -8) and (4, -4)
A. 13
B. 5
C. 
D. 
Answer: B
Mathematics
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Determine whether the function is a solution of the wave equation.w(x, t) = ln -6cxt
A. Yes B. No
Mathematics
The membership of the Cambridge Community Health Plan (a health maintenance organization) is projected to grow at the rate of 
thousand people/year, t years from now. If the HMO's current membership is 40,000, what will the membership be 3 years from now?
?
A. 44,742 people B. 44,052 people C. 43,822 people D. 44,282 people E. 44,512 people
Mathematics
Use the trigonometric substitution u = a sin ?, where - ?/2 < ?< ?/2 and a> 0 to simplify the expression 
.
?
A. ?a csc ? B. ?a sin ? C. ?a tan ? D. ?a cos ? E. ?- a cos ?
Mathematics
Factor completely.4x2 - 49
A. (4x + 1)(x - 49) B. (2x + 7)(2x - 7) C. (2x - 7)2 D. (2x + 7)2
Mathematics