(+12) + (-13) =
Cuánto es y porque, operación completa.

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

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Find the values of the variables in the kite