Find the range for the following sample data.
x:
23
16
14
31
26
A. 10
B. 8
C. 2
D. 5
E. 17
Answer: E
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Graph the parabola and show the focus and directrix.y2 = -36x
A. 
B. 
C. 
D. 
Find T, N, and B for the given space curve.r(t) = (ln(cos t) + 3)i + 10j + (1 + t )k, -?/2 < t < ?/2
A. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = -j B. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = -j C. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = j D. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = j
Solve the problem. Round to the nearest cent.The store where Anna-Marie is a salesperson offers a trade discount series of 15/10 on any clothes bought at the store. What is the net price of a $78 sweater ? Use the net decimal equivalent to find the net price.
A. $59.67 B. $70.20 C. $18.33 D. $58.50
Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 1