Answer:
see below
Step-by-step explanation:
A relation is a <em>function</em> when there is exactly one output for each input. That is the case in this table, so the relation between the original price and sale price is a function.
You really just have to do 12.4 x 2 = 24.8 because half of 24.8 is 12.4.
Answer:
Step-by-step explanation:
5. is hypothenuse because it is across from the right angle
3. and 4. are legs