Eight hours a day is a healthy average
Answer
y=7/2 +3/2x
Step-by-step explanation:
Subtract over 3x then divide -2y by 7 and -3x, remember to watch your signs.
the answer would come out to be
Answer:
L=7.94 feet, W=9.88 feet
Step-by-step explanation:
perimeter=78 feet
LxW=78
2L-6=W
substitute
Lx(2L-6)=78
2L^2-6L=78
2L^2-6L-78=0
factor
(2L-15.86)(L+4.95)=0
2L=15.88, L=7.94
L=-7.94 feet