The diameter of the circle above is 30 in. what is the circumference of the circle? (use = 3.14.)

Do 12/14 and 8/10 have the same value? explain your answer.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Someone answer this asap for 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.