In Triangle QRS, X is the midpoint of QR, Y is the midpoint of RS, and Z is the midpoint of QS. Also, XR = 5, YS = 7, and QS = 20.
What is the perimeter of the Triangle XYZ?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles