Which of the following is true for a trapezoid? -It does not have two pairs of congruent sides
-It has two pairs of congruent sides
-It has exactly two pairs of parallel sides
-Its opposite angles are congruent

PLS HURRY i'm taking an exam, will mark brainliest

Three coins are flipped. what is the probability that there will be at least two tails?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.