An antenna is on top of an 80 foot building, 12 feet from the edge. from a point 60 feet from the base of the building, the angle from ground level to the top of the antenna is 68 degrees. find the height of the antenna to the nearest foot

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Percent increase and decrease. original number: 45 new number: 18

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.