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on friday, there were 8 snowboarders for every 3 skiers at a local ski resort. on saturday, the ratio of the number of snowboarders to the number of skiers was 4: 7. there were 168 snowboarders at the ski resort on friday. there were the same number of people at the ski resort on saturday as there were on friday. how many more skiers were there than snowboarders at the ski resort on saturday?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.