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Education The present-perfect-tense

1. The Present Perfect Tense Form and use 2. The plane has landed safely. 3. They have graduated. Congratulations! 4. Federerhas lost the semifinal match in Melbourne . 5.…

Technology Chap 1 trigonometry 2 part 1

1. CHAPTER 1:TRIGONOMETRY 2 Why study these trigonometric graphs? Chapter 1 : Trigonometry 2 2. The trigonometric graph are probably the most commonly use in all areas ofscience…