7(tan(a+b))=5(tan(a+b)) then find the value of sin2a/sin2b

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

The base of a pyramid is a square with 5 lines of 5cm the slant height of each lateral face of the pyramid is 6 cm what is the surface area of the pyramid