?For the pair of vectors, find 
.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
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Determine whether the given events A and B are independent. 
, 
Roman|11|#000000|False|False|False{{{|}}}mathml|CONTAINER_ID_FIELDCogneroEndAlgorithmData&varname=IMPVAR%5F807ff63414e4485da3a821e90&varid=VARIABLE_ESCAPED_ID_FIELD&rnd=5e7f13c6fba845a19ddbb48738cc90ac" class="Wirisformula" style="vertical-align:-4px;" varid="VARIABLE_ID_FIELD" variablename="IMPVAR_807ff63414e4485da3a821e90" />, and 
.
?
A. dependent
B. independent
Complete the chart for the given regular polygons, and determine if each shape tessellates: ? Regular PolygonDegree Measurement Per Interior Angle Number of Regular Polygons Per Full Revolution equilateral triangle 60? 6square 90? 4 regular hexagon ? ?
A. ?A regular hexagon has an interior angle of 120?, and 4 polygons per full revolution. Therefore, it tessellates. B. ?A regular hexagon has an interior angle of 120?, and 3 polygons per full revolution. Therefore, it does not tessellate. C. ?A regular hexagon has an interior angle of 120?, and 3 polygons per full revolution. Therefore, it tessellates. D. ?A regular hexagon has an interior angle of 135?, and 2 2/3 polygons per full revolution. Therefore, it tessellates. E. ?A regular hexagon has an interior angle of 135?, and 2 2/3 polygons per full revolution. Therefore, it does not tessellate.
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 4000 in 4 hours, when will its population be 2530? Assume that the population decreases according to the exponential model.
A. after 6 hours B. after 9 hours C. after 5 hours D. after 7 hours
Write the quadratic equation in standard form. Determine the values of a, b, and c.2x (x - 9) = (x + 7) (x - 5)
A. - x2 + 20x - 35 = 0 a = -1, b = 20, c = -35 B. x2 - 20x = 35 a = 1, b = -20, c = 35 C. - x2 + 20x = -35 a = -1, b = 20, c = -35 D. x2 - 20x + 35 = 0 a = 1, b = -20, c = 35