D. y = 50x + 200 is your answer
Answer: y=-3x+17
b = 17
Answer:
7.0 < x < 7.6
X is the ideal pH of the swimming pool
B
Step-by-step explanation:
1/6x+ 4/6x = -4/6
5/6x= -4/6
x=( -4/6)/ (-5/6)
x= 4/5