If he goes to bed at 9:00 pm, and wakes up at 10:00 am he will have slept 13 hours.
Answer:
see photo attached for analysis
Answer:
5, -9
Step-by-step explanation:
(x - 5)(x + 9) = 0 These are factors, to get the roots, just set each one equal to zero
x - 5 = 0
x = 5
x + 9 = 0
x = -9