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Answers bolded below

Step-by-step explanation:

PAGE 1

20.) 142 + 24 + 2x - 50 = 180 (collect like terms)

116 + 2x = 180 (subtract 116 on both sides)

2x = 64 (divide by 2x on both sides)

x = 32

21.)  40 + 80 + 5m = 180 (collect L.T.'s)

120 + 5m = 180 (subtract 120 on both sides)

5m = 60 (divide by 5 on both sides)

m = 12

PAGE 2

10.) <T

11.) CA

12.) ^CAB

13.) UV

14.) m<A = m<T = 66

15.)  B, C, A

PAGE 3

16.) ^BAD = ^DCB

17.) ^GFH = ^KJH

18.) x = 7 and y = 8

10x + 65 = 135

10x = 70

x = 7

4y - 4 = 28

4y = 32

y = 8

19.) b = 13 and n = 13

5b - 3 = 62

5b = 65

b = 13

4n - 4 = 48

4n = 52

n = 13

PAGE 4

1.) <A = <D, <B = <E, <C = <F

2.) AB = DE, CB = FE, FD = CA

3.) CAB = FDE, EFD = BCA, BAC = EDF

4.) m<P =105

5.) m<M = 45

6.) m<R = 30

7.) m<N = 30

8.) QR = MN

9.) LN = PR

Hope this helps ya!!

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

the answer is c just got it on ed

step-by-step explanation: