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school rank : 45 Eng standard : 2/84 business: 18/52 Legal : 17/44 General Maths: 19/97 Chem: 89/109 (no roast pls) Ty

Mx1 : 24/75 2u maths : 28/170 Eco : 8/50 Phys : 18/98 Chem: 6/102 Adv Eng :65/160 School rank : 45 Pls give an estimate based on current ranks, as well as another estimate if i get 95 in hsc (all subjects). Pls no "its unlikely that you will get 95 in hsc", as i only studied a day...

Hello. School: Killara high school: rank: 50-60 English advanced : 35/161 Physics : 4/82 Chemistry: 3/94 Economics: 4/62 Maths 2u : 5/165 Maths 3u : 10/79

Hello: School rank: mid 40's English advanced: 108/170(45 percent internal done) (over 50 percent get band 6) Maths 3u: 18/80(40 percent internal done) Maths 2u: 22/160(40 percent done) (over 80 percent get band 6) Physics: 14/102(30 percent done) (over 20 percent get band 6) Chemistry...

Im stuck on this question for 4 hours. Its from Fitzpatrick 3u ex 24c, q 24. Any help appreciated. P(2at,at^2) and q(2as,as^2) are two points on the parabola x^2=4ay. The chord pq subtends an right angle at origin O. If r is the fourth vertex of the rectangle poqr, show that: 1)ST=-4 (i GOT...