Answer:
B. 2x + 7y 100% sure just got it right
Step-by-step explanation:
B. 2x + 7y
y=1x-4
you should start using desmos trust me it will HELP U OUT
btw the slope of a perpendicular line is the opposit of the first line
2 3/9 + 3 8/9 = 6 2/9
Josephine will have $15 profit
Convert mixed number to improper fraction: