Hi! If you could attach an image of the coins, I would love to help!
I think it will be -9 < x - 4 < 9
1. It would take 8 months to grow 4 inches of hair.
2. A 150 pound astronaut would weigh 25 pounds on the moon.
side, s = 1/3ft
area, a = 6s^2
a = 6 × (1/3)^2 = 6/9 = 2/3 sq ft