Answer:
a. 0 solutions b. infinite
Step-by-step explanation:
a. the two lines don't pass through each other therefore there is no solution b. the two lines are on top of each other ;) therefore there are infinite solutions.
Answer:
3 by 3
Step-by-step explanation:
Since the area is 144 and there is 16 equals peices you can divide them to find the area of 1 small square piece so
144/16=9
since it is a square the side lengths are equal so
=3 so the dimensions are
3 by 3
Answer:

Step-by-step explanation:
Q17

For Q18 and Q19.
If ΔABC ≅ ΔSRT (congruent), then

Q20

Answer:
I have no idea, I have been trying to figure it out