Find the circumference of the circle. Give the exact circumference and then an approximation. Use pialmost equals3.14. A circle that has a diameter of 39 centimeters. 39 cm The exact circumference of the circle is 122.46 centimeters. (Simplify your answer. Type an exact answer in terms of pi.) The approximate circumference of the circle is nothing ▼ square centimeters. centimeters. (Type a whole number or decimal rounded to the nearest hundredth as needed.)

Sorry guys but as you have a small brain

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9