45 minutes equal to 2700 seconds.
(-2/5)-(-1/8)
Need to make the denominators the same
(-16/40)-(-5/40)
Multiply -2/5 by 8
Multiply -1/8 by 8
-- sign= positive
-16/40+5/40
Answer=-11/40
Answer:
Multiply the top equation by 3
Step-by-step explanation:
Answer: f-1x(fx2) answer = -f
f(2)= 2 answer 2f
f-1x1 answer f-1
