Step-by-step explanation:
how do you write over the thing so I can give you the answer or can I just tell you the answer in text messages
1.
A ray starts out at a point and continues off to infinity.
Symbol of the ray with a beginning point in X and passes through point Y is:

Therefore your answer is 
2.
Symbol of a line passing through points A and B is:

Therefore your answer is 
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Answer: Multiply 7.5% by the price after subtracting the coupon's value.
Step-by-step explanation:
Let's assume that the cost of the shirts is x. So the coupon would subtract y from x so that's x-y which gives us z. Then to find z, on a calculator just put in 7.5% x z. I used variables since I don't know the value of the coupon or the original price of the shirts.
Answer :C
Step-by-step explanation: For any given function, all first input values (x-values/coordinates) in the relation are considered as the domain values. While the output values (y-values/coordinates) make up the range of the given function.
The mapped relation that has a domain of {1,2,3}, is the mapped relation that has 1, 2, and 3 on the input side on our left.
Therefore, the mapped relation in option C is the answer.