Answer:
Step-by-step explanation:
<u>Slope-intercept form of a linear equation</u>
where:
Given:
Substituting the given values into the formula:
3.3 recurring
1) expand bracket
11-3a+6=27
2)rearrange equation
11+6=27+3a
11+6-27=3a
17-27=3a
-10=3a
-10/3=a
a=3.3 recurring
R is (6,-8)
S is (8,-8)
T is (8,-7)
U is (6,-7)