BlogHide Resteemsstearjohn (31)in mootxn • 6 years ago9Gmathn9001Rvertices 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…stearjohn (31)in mse • 6 years ago9Gmathn 9002W A.1 only B. 2only C. 1and3 only D. 2and3 only E. 2 and 3 only PQRS is a rectangle with the points P(-1,0) , Q(2,0) and R(2,3). Then the coordinate of the point S is…stearjohn (31)in mse • 6 years ago9G mathnEone real root, find k. A. 14 B.-14 C. 4 D. -4 E.1 The solution set of x2-x=x(x-1) is A. {0} B. {0,-1} C. {1,0} D. R E.∅ The solution set of the quadratic…stearjohn (31)in mse • 6 years agoGreeting msemse i m new here .My name is stearjohn and i m from lagyi. MALAWMALYAING.