Answer:
The slope of the dashed line is 
Step-by-step explanation:
Perpendicular lines and slopes:
If two lines are perpendicular, the multiplication of their slopes is -1.
What is the slope of the dashed line
Perpendicular to a line with slope 4, so:


The slope of the dashed line is 
Answer:
h=3.24
Step-by-step explanation:
Answer:
• Consider points (2, 0) and (0, 6) spotted from the graph.

• substitute:

Answer:
80 or 85
Step-by-step explanation:
because it can't be 90and it's smaller that and greater than 70