Answer:
1. 2/8m - 6
2. -2W + 9z - 47
3. 3d - 66
perpendicular lines
Step-by-step explanation:
163 degrees and 17 degrees
x+y = 180
x-y = 146 then x = 146+y
substitute for x
146+y+y = 180
2y = 34
y = 17
x = 17+146 = 163
Answer: 3.6cm
Using the volume formula; solve for a;
