What is the value of the equation below when c = 0 and d = -6? (That is a fraction with cd - d² on top and 4 on the bottom) cd - d²

4

Ineed i been stuck on this question since yesterday

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?