Q1
Answer:

Step-by-step explanation:

explanation for second step:
you divide each side by 3 to get rid of the '3' in '3x'
Both lines are parallel, since they have the same slope of 2.
Answer:
SA = <em>41.</em>
Step-by-step explanation:
Add up everything and you get <em>41 </em>as the SA.
Answer:
7x-2 = 12x-22
-7x
-2=5x-22
+22
20=5x
÷5
x=4
KL is 7x-2, so substitute the value of x.
7 x 4 - 2 = 26
KL = 26
Hope this helps!