Answer:
The third option choice
Step-by-step explanation:
In the equation all your doing is halfing the x to get y
Or multiplying it by . 5
So half of what your x is is what your y is
-1 as a negative would = X
Kate needs to swim 40 laps to come complete 66 laps

he then turns around and grabs that money and sticks it for another 9 years,

add both amounts, and that's how much is for the whole 21 years.
Answer:
It is a trinomal because there is 3 terms
It is a quadratic because the highest degree is x^2
All in all, It is a Quadratic Trinomal
Step-by-step explanation: