Answer:
x² - 20 = 0
Using the quadratic formula

a = 1 b = 0 c = -20
So we have

Hope this helps you.
Answer:
It would be $390 for the 4 hours and the cleaning fees. And the slope would be -13 if you are going from 12 to 7 but would be 13 if you are going from 7 to 12...
Step-by-step explanation:
Yes it can be in fractions and in decimals
Answer:
1 and 5. First and the last one
Step-by-step explanation:
i just took the ed test.
Answer:
The function is 2 I believe
Step-by-step explanation: