TWO tricky sat questions............. (Can YOU take the challenge?)?

1. In a class of 180 eigth-grade students, 80% went to the Science Museum. Ninety percent of the boys and 90 girls went on this trip. How many girls are in the eighth-grade class?

2. The endpoints of a diagonal of a rectangle are (-4, -5) and (3, 4), and the sides of the rectangle are parallel to the axes. How many square units zre in the area of the rectangle?

WHy SAt????!!!!!!!!!!!!!!!!!!!!!!!!

since it is our first attempt for SAT, most of us juz got less than half...come on yujin...help us...we need you...don't let it destroy our dream!!!!!!!!!!!!the question is so tough....most of the words are new to us and we can't understand every single things...that make us more suffer!!!afta 4 hours sit for sat test, somebody could die because of the question i guess..'someone pliz call 911, there is fire burning in my head..oho!!!!'