Given \tan A=\frac{60}{11}tanA= 11 60 and that angle AA is in Quadrant I, find the exact value of \cos AcosA in simplest radical form using a rational denominator.

The cost c, in dollars, for bananas depends on the weight w, in pounds, of the bananas. this situation is represented by the function rule c=0.5w (graph each function rule. tell whether the graph is continuous or discrete)

What number produces an irrational number when multiplied by -1.25

Find the multiplicative inverse of 8-12i