Find the median for the set of data values.The number of patients attending a drop-in clinic each of the past twenty days:   

A. 22.85 patients
B. 24 patients
C. 23 patients
D. 27 patients


Answer: C

Mathematics

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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (4t sin t + 4cos t)i + (4t cos t - 4 sin t)j  - 5k 

A. T = (-cos t)i  - (sin t)j; N = (sin t)i  + (cos t)j B. T = (-cos t)i  - (sin t)j; N = (sin t)i  - (cos t)j C. T = (cos t)i  + (sin t)j; N = (-sin t)i  + (cos t)j D. T = (cos t)i  - (sin t)j; N = (-sin t)i  - (cos t)j

Mathematics

Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(3x + 5)3

A. 9x6 + 15x3 + 15,625 B. 27x3 + 135x2 + 225x + 125 C. 27x3 + 135x2 + 135x + 125 D. 9x2 + 30x + 25

Mathematics

Find the sum of the series. 

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Find angle D. Round to the nearest 0.1°. 

A. 44.5° B. 75.9° C. 30.4° D. 59.6°

Mathematics