Answer: it is a function because there aren't for example two 4's that don't have a y value that is a for example 0.
Step-by-step explanation:
Answer:A right triangle or right-angled triangle is a triangle in which one angle is a right angle (that is, a 90-degree angle). The side opposite the right angle is called the hypotenuse (side c in the figure).
Step-by-step explanation: hopefully this helps u!
Answer:
7.)12x^2+18x
Step-by-step explanation: