Which conic section is represented by the equation $4.? =1? 0 A. Circle 0 B. Ellipse O C. Hyperbola O D. Parabola 40 a 30 Use the triangle to answer the question. A right triangle is shown. Which equation could be used to find the value of a? O A. a = 40 sin 30 O B. a = 40sin-1 30 O C. HE sin 30 40 O D. sin 1 300 a = 403ft. 0 4ft. A Use the triangle to answer the question. What is the value of 6? Round to the nearest tenth of a degree. 0 A. 48.6 O B. 53.1 O C. 41.4 O D. 36.9 \fIdentify the equation(s) that are equivalent to x2 _ 31+ 5 = o . Select all that apply. 0 A. x=4iJ III 3- [x4)2=11 Cl C. x2 8x+16 =5 C] D. x+4=J1_1