Question 11 (Multiple Choice Worth 5 points) (06.04 MC)
Find the solution(s) to the system of equations represented in the gr.
3
2
(4,0)
1 2
-SA -3 -2 -1
-1
-2
3
(0, -4)
-6
(0, 4) and (4,0)
(0,4) and (-4,0)
(0, -4) and (4,0)
(0, -4) and (-4, 0)

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

In the diagram below, tan θ = sqrt 3. what is the value of m?

Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units