Answer:
69
Step-by-step explanation:
The rule: 3n+9
n=20
3(20)+9
60+9
69
Hey! First of all, you can express x squared as x^2.
Secondly, the problem! I'm assuming you're asking for the values of x - if you're asking what the equation is, it's a quadratic equation, or a second-degree polynomial. Solving for x, this equation can be factored as (x-4)(x+1)=0. Because either of these two terms being zero will make the whole equation zero, we can have x-4=0, in which case x=4, or x+1=0, in which case x=-1. Therefore, x is either 4 or -1
The answer would be c
Hope this helps!
Answer: 90 students
Step-by-step explanation:
I got this question on my test, and the answer was 90
100% verified! :D
