Answer the question.Which number is not divisible by 6?

A. 114
B. 282
C. 576
D. 278


Answer: D

Mathematics

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Find the focus and the directrix of the parabola.y = - x2 + x - 

A. (2, -3); y = 1
B. (2-9); y = -7
C. ; y = 
D. (2, 1); y = -3

Mathematics

Plot the two points given by the ordered pairs.A(-5, 0), B(-2, 5)

A.

B.

C.

D.

Mathematics

Consider the data in the following table regarding the median age of men at their first marriage in the U.S. (U.S. Bureau of the Census.)


(a) Find the regression line y = mx + b .
(b) Use the regression line to predict the median age of men at their first marriage in 2020.

Mathematics

Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.{5n2}

A. Arithmetic; d = 5
B. Geometric; r = 5
C. Geometric; r = 
D. Neither

Mathematics