Karen Brewer lives next door to Mrs. Porter, who wears long black robes and has wild gray hair. Mrs. Porter has a black cat named Midnight and always seems to be working in her garden. Karen isn't supposed to spy on her neighbor, but she's determined to prove that Mrs. Porter is a witch named Morbidda Destiny! Mrs. Porter is getting ready to have a special meeting at her house, and Karen is …
Mathematics for the International Student: Mathematics HL (Core) has been written to embrace the core syllabus for the two-year Mathematics HL Course, first examined in 2014. The new edition reflects the new Mathematics HL syllabus and includes syllabus references at the beginning of each chapter. In response to the introduction of a calculator-free examination paper, the review sets at the end…