Answer:
once
Step-by-step explanation:
since the equation is liner, with x simply to the first power, it will only cross the x axis once. x^2 would cross the x axis twice, x^3 would cross it three times, and so on
If your question is 25 dollars for the shirt then the ansewer is $26.5 hope this helps.
The answer is

If we put 36x^2, then the answer we would get is

Hope this helps :)
The perimeter of the triangle with those given lengths is