What is the most precise name for quadrilateral abcd with vertices a(-5, 2), b(-3, 6), c(6, 6), and d(4, 2)?

quadrilateral
rectangle
parallelogram
rhombus

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f