Pocahontas sees a flying saucer. The radius of the flying saucer is 21 feet.
What is the circumference of the flying saucer (use 3.14 for pi and
round to nearest tenth)?

What are the sotions to the quadratic equation 9x^2=4

How do i put 3(x+7) in distributive property

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.