Circumference=2pi*r
20.7=2pi*r
r=3.296 or 3.3
A=pir^2
a=34.1946 or about 34.19
Answer:
x = -16
Step-by-step explanation:
Answer: A trinomial consisting of three terms.
Step-by-step explanation: An example of trinomial is 6x squared + 3x + 5.
X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)