Need with simplifying1. 60m - 15 (4 - 8m) + 202. 4 ( 5.8 - 9x) + 8.2 + 22x3. 9y - 15y +12 - 6y4. v + 13 - 8 (v + 2)5. 5/3 (5 + 9) 4/5 (1 - 9x)

60m - 15(4 - 8m) + 20

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4(5.8 - 9x) + 8.2 + 22x

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9y - 15y + 12 - 6y

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v + 13 - 8(v + 2)

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5/3(5 + 9) + 4/5(1 - 9x)

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

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies