I believe it is d also hope that help
Answer:
6 hours. ( I DID IT USING PROPORTIONS!)
Step-by-step explanation:
houses/hours
130/2.5= 312/x
(cross multiply)
130x = 780
130x/130 = 780/ 130 (divide each by 130)
6 = h
C) will not effected (the most frequent is still 600$)
Graph b has a correlation closest to -0.95
Answer:
non proportional
Step-by-step explanation:
All of the others are correct