Answer:
x=1
Step-by-step explanation:
4(x+5)= 24
4x+20=24
-20 -20
____________
4x = 4
___ ____
4 4
x= 1
Answer:
7 
6 
5 ○ Perpendicular
Step-by-step explanation:
7 Halfway in between −2 and −6 is −4, and halfway in between 0 and 10 is 5, so you will have this:

6 Parallel Lines have SIMILAR <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>], so <em>line </em><em>r</em><em> </em>also has a slope of −1.
5 Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so −8⁄9 indeed becomes 1⅛ [or 9⁄8], therefore lines <em>r</em> and <em>q</em> are perpendicular.
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Answer:
Angle between 21 and 25 are co interior angle
Answer:

Step-by-step explanation:
General equation of a line:

m is the slope, and c is the y-intercept:
m = 3, and c = 7
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