Trapezoid a b c d is shown. Diagonals are drawn from point b to point d and from point a to point c and intersect at point e. If quadrilateral abcd is an isosceles trapezoid, which statements must be true? select three options

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.