X = 180 - 90 - 12 = 78° (Sum of all angles in a triangle is 180)
Answer: x = 78°
Answer: 8 and - (negative) 5.
Step-by-step explanation: Nah.
-3 ≤ 6x - 6 < 39 (seperate into two inequalities)
6x - 9 ≥ -3
6x - 9 < 39 (solve the inequalities)
x ≥ 1
x < 8 (find the intersection)
x ∈ { 1 , 8 }
Answer:
m=4 or slope =4
Step-by-step explanation:
so 
which is the same as 8/2. So all in all the slope is 4.
Answer:
9 inches
Step-by-step explanation:
