Xian plans to run 14 laps around a track. Each lap is 400 yards. So far Xian has run 1,680 yards around the track. What percentage of the urn has Xian completed? Please show your thinking .

F) 7%

G) 30%

H) 70%

J) 3%

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83