Answer:
C. C is the only one that is rational out of all of them. The rest are irrational
Answer:

Step-by-step explanation:




Basically, you need to add a number to both sides so that you can reduce the left side to a square. In this case, you add 4.
Answer:
-12
Step-by-step explanation:
f(x) = -3x^2
Let x = -2
f(-2) = -3( -2)^2
= -3 ( 4)
= -12
Answer:
5
Step-by-step explanation:
321 adult tickets were sold use the formula to solve
108 student tickets were sold