Answer: 5 hours
Step-by-step explanation: c=35•h+25
25=40•h-35•h; 25=5•h
Answer:
what exactly is the question?
Step-by-step explanation:
3x^2 - 7x + 12 = 0 ....subtract 12 from both sides
3x^2 - 7x = -12 ....divide both sides by 3 to get x^2 by itself
x^2 - 7/3x = -4
His work is not accurate because he divided the second term by 4 instead of 3.