+ 5 of 12
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7. What is the approximate perimeter of the triangle shown below?
у
+6
+5
+4
-6 -5 -4 -3 -2 -10 +1 +231 +5 +6
-6
A 19.1 units
B. 16.7 units
C. 13.3 units
D. 9.7 units

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}