What is the length of segment AB? * 9 points
Captionless Image
7 cm
3.5 cm
14 cm
You cannot tell from the picture.

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv