Answer:
By the angles and sides, but if you need more help here is a link to a video that could be pretty helpful.
Step-by-step explanation:
https://www.khanacademy.org/math/cc-fourth-grade-math/plane-figures/imp-classifying-triangles/v/scalene-isosceles-equilateral-acute-right-obtuse#:~:text=Learn%20to%20categorize%20triangles%20as,acute%2C%20right%2C%20or%20obtuse.
28.56-24.99= $3.57
Sam payed $3.57 in sales tax.
Answer:

And solving we got:

And we can reorder the terms we got:

And that would be the equivalent expression for the problem
Step-by-step explanation:
For this case we have the following function given:

And we can complete the square adding the middle of 14 squared and subtracted before like this:

And solving we got:

And we can reorder the terms we got:

And that would be the equivalent expression for the problem
Answer:
I would have to say that the length of AC is 22.5