these If DE//BC . Which of the following is (are) true? 1. DE:BC=3:2 2. AE:EC=3:2 3. BC=20 A. 1 only B. 2 only C. 3 only D. 1 and 2 only E. 2 and 3 only x=……. A.3 B. 4 C.5 D. 4.5 E. 5.5 y=….. A. 1 B.2

C.7 D.13 E.17 △ABC has vertices A(0,7), B(5,-5) and C(10,7). The area of △ABC is A.50 B.60 C.80 D.120 E.140 30.△ABC is an isosceles right triangle with ∠B=90°. If A(3,-2),B(2,-1), then AC=… A. 2 B.1 C.2

Eonly C.3 only D.1 and 2 only E.2 and 3 only 3.Given that S= {0,1,2,3,4} is the universal set and A={ x\ x3 – 9x =0 }.Then A=…….. A.{ -3 , 0, 3 } B. { -3 , 0 } C.{ 0 , 3 } D.{ -3 , -3 } E.{0,9} 4.The interval

I m new at steemit.My name is nganga from mawlamyaing.Thanks admin.