Sum of interior angles= 180
450 miles
1 in. Per 60 miles
460/60 = 7.5 inches
Y=mx+b
m=slope
b=yintercept
given
y=-2x+3 and
y=-4x-1
first equation is slope -2 and yintercept 3
second is slope -4 and yintercept -1
3rd option
Answer:
, or as a mixed number, 3 
Step-by-step explanation:
It helps to simplify them.