Desviacion media
10,2,2,1,10
8,9,1,4,3
3,6,5,7,4
4,7,6,4,4

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.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

What numbers are included in the set of integers? what numbers are not included?