Find the complex conjugate z1=3i+8

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.