Find the area of the circle with the given radius or diameter. use = 3.14. r = 2 a =? 6.28 sq. units 12.56 sq. units 50.24 sq. units

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

If g(x) is an odd function, which function must be an even function?

15/16 as a decimal rounded to the nearest hundredth