Answer:
The answer is "SAS".
Step-by-step explanation:
In this question we assume two angle is given that are:

That's why SAS rule is correct.
8/21 is the answer to the question
Answer:
1.5x = 7.5 (a)
Step-by-step explanation:
If Billy has $7.50 remaining, then he can buy x no. of boxes.
Each box costs $1.50
So, 1.5x = 7.5
I believe it would be 2, how much water is used to fill a cup