Answer/Step-by-step explanation:
1. 
; 3
Let's solve for a.
(subtraction property of equality)
(division property of equality)
Therefore, 3 is a solution to 9 = 2a + 3
2. 
; 7
(- × - = +)
(Subtraction property of equality)
(division property of equality)
Therefore, 7 is not a solution of
3. 
; 1
Therefore, 1 is a solution of .
Answer: HRP = 40°
Explanation:
Angle EPN = 40°
But EPN = HRP (corresponding angle)
Because EP//HR
Therefore EPN = HRP = 40°
Answer:
Well, 10
Step-by-step explanation:
Because I am SMART
Answer:
1:4
Step-by-step explanation:
1 would be the teachers
times 4 would be the students
The coordinates for point A is (-2,-5)
