Agroup of students went on a hike and measured the change in elevation over the length of the trail. they plotted these data on the graph shown below. they wanted a shorthand way to describe the line that represents the trail. which slope-intercept equation describes the line? y - intercept = (0,2) slope = -1 a. y = -x + 2 b. y = x - 2 c. y = x + 2 d. y = -x - 2

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl