<span>a. y = x^2 – 81 is a quadratic function.
According to the definition:
A quadratic function is defined as a function with the maximum coefficient of 2.Only first option has a coefficient of 2 and the rest have not.</span>
Answer:
30 cups/second
Step-by-step explanation:
620 gallons = 9,920 cups
5.5 minutes = 330 seconds
9,920/330 = ~30
3(b+100)= 6b
3b + 300 = 6b
300 = 3b
b = 100
Answer: I think It's 38
Step-by-step explanation:
you can multiply or add all of them together
