For the first one it's 90.5, I know cause I just took the test and it's right. The second one I'm not sure..
Answer:
Your screen is black hun
Step-by-step explanation:
C(x) = 300.
Our question becomes simple: 300 = x^2-40x+610
x^2-40x+610-300 = 0
x^2-40x+310 = 0
Now find the value for x with either the quadratic formula or by factorization.
Let me know how it goes. Giving the full answer won’t help you improve
Answer:
C) 16
Step-by-step explanation:
