END OF SECOND TE A/Y:2023-2024 Teacher's Name: MUTYARUGAMBA Evariste HOLIDAY PACKAGE OF MATHEMATICS Instruction: 1. A plane is flying at a constant height of 8000m. It flies vertically above me and 30 seconds later the angle of elevation is 74 degrees. Find the speed of the plane in meas seconds. 3mark 2. A right triangles ABC, is rectangle in A such that AB-22cm and Atem. a) Find the measure of the angle ACB b) Determine the real number n such that BC= 2√n 3. Find the range of values of k for which the equation 13marks x² - 2(k + 1) + k² = 0 has: a) Two real roots b) No real root c) One double root END Zmarkcs 2marks​