If g (t) has a continuous second derivative and f(x, y)= g(y)+tan^-1(xy), then f_xx(2,1)=

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles