X - 9 < 0
add 9 to both sides:-
x - 9 + 9 < 9
x < 9
x - 9 is negative for all values of x less that 9.
It would take 1minute and 10 seconds to complete the job because you have to subtract 2hours (2:00) by 90seconds (0:90)
Answer:
A. cos(t)= 1/sec(t)
Second answer is C. 12/13
Step-by-step explanation:
Just had the question.
