If you grow 523 eggplants and sell 378, how many do you have left? a. 901 b. 154 c. 197 end of exam d. 145

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.

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?