1.4 Describe how the following concepts could help to fight social challenges: social and environmental responsibility
Ubuntu
social activism
social justice
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Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

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.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3