Answer:
{-3, 3}
Step-by-step explanation:
x^2 - 9 = 0 can be written in factored form as (x -3)(x + 3) = 0. Letting each factor equal zero separately and solving for x, we get x: {-3, 3}
Answer:
-4
Step-by-step explanation:
7x^3 + 5x^2 - 2
= 7*-1 + 5*1 - 2
= -7 + 5 - 2
= -4
Answer:1 hour 6 minutes
Step-by-step explanation:
5 min from 5:55 til 6:00. Then one whole hour from 6:00 to 7:00. Then, add on that extra 1 min. 1 hour and 6 min.
I believe the answer would be 10.5 inches per hour.
