The radius of a circle is 7.9 ft. Find the circumference to the nearest tenth.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)