find the slope of the line given:
y = mx+b
y = -3x/2 -7/2
slope = -3/2
the slope of the perpendicular line is the negative reciprocal
so answer is 2/3
1.1, 1

, 1.10 ect ect. There are lots of ways to simplify it, here are some main ones. Hope this helps and have a good day! =)
18 degrees
Step by step I got it right
$80-$2= $78 is the number less than $80, since the pens cost $2
78/2= 39 pens is the greatest number of pens sold
hope this helps
f(b) = -1/6b + 8. Is the function rule if you want. further explanation just ask.