Mr. Rey plans to purchase various pieces of art to hang in a school cafeteria and wants to determine which type of art work students at the school prefer. After surveying 70 students in the art classes at the school, he concluded that watercolor pictures are the most popular. Which sample below would be a better representative sample of the student body than the one Mr. Rey used?

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1