It is called a fact Family
All you wanna do is divide-
490/3 1/2= 140
they make 140 buttons per hour
The answer is 47.5 feet. Hope I helped!
Answer:
or 
Step-by-step explanation:
The perpendicular slope is the opposite-reciprocal of the original slope:
Perpendicular slope of -2 is 
Write the equation in point-slope form (
):

Convert to slope-intercept form if needed:

