Answer:

Step-by-step explanation:
You would first distribute -8 into the parenthesis:

Answer:
the answer is 15.
Step-by-step explanation:
Answer: z =2.22
Step-by-step explanation:first determine the constant. Z= K(X/Y) if z is 15, x is 6 and y is 2 then 15= K(6/2) then K is 5.
When x is 4 and y is 9 . k is 5 then
Z ,= 5(4/9) = 2.2.
You can do 6 I guess. Then do 6+6=12
Answer:
16. Parallelogram
17. x=3, y=9
Step-by-step explanation:
16. You should graph it to get a visual. But using the given points, you can tell that the slopes for the lines AC and BD are the same, thus meaning those lines are parallel. The same for lines AD and BC.
17. 5x+2=17, so x= 3
3y-6=21, so y=9