If there are 9 girls and 11 boys in a class, what percentage of the class are girls

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.

The two expressions below have the same value when rounded to the nearest hundredth. log5 b log9 48 what is the approximate value of log b to the nearest hundredth? 0.93 1.23 9.16 65.53

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft