Step-by-step explanation:
-4x+1+6-(-9x)
-4x+7-(-9x)
5x+7
Answer:
A.) Angle R, Angle S, Angle T
Step-by-step explanation:
It's a because it asked in order for an obtuse, an acute, and right. So in order it's R (for obtuse), S (for acute), and T (for right)
Answer:45 degrees
Step-by-step explanation:
360/8 sides =45