Tara has 135 yards of fabric. She needs 212 times this amount to make a shopping bag. How much fabric does Tara need to make the bag?

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.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k